Reddit communities — Toronto / GTA / Ontario / Canada-wide
271 subreddits. Sortable by eye via the columns below; every row's status and confirmation mark come directly from the census (this library's internal records). Member-count figures under 1,000 are not shown (see the overview page).
| Subreddit | Scope | Place | Topic | Description | Status | Subscribers | |
|---|---|---|---|---|---|---|---|
| r/Ajaxontario | municipality | Ajax | general | A subreddit for people in the city of Ajax, Ontario. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/AmericansInCanada | national | Canada | other | Americans living in Canada / considering the move — taxes, immigration, healthcare, culture shock. | unknown | — | ⚠️ “still being checked” |
| r/AskACanadian | national | Canada | general | The #1 resource for answers to questions about anything to do with Canada, answered by at least one Canadian. | active | 670,415 | ✓ confirmed |
| r/AskARealCanadian | national | Canada | general | unknown | — | ⚠️ “still being checked” | |
| r/AskMississauga | city-topic | Mississauga | general | Place for people to ask locals questions about Mississauga. | unknown | — | ⚠️ “still being checked” |
| r/askTO | city-topic | Toronto | general | Submit questions to Torontonians and about Toronto, get constructive responses. | active | 330,531 | ✓ confirmed |
| r/AuroraOntario | municipality | Aurora | general | Subreddit intended for residents of Aurora, Ontario. | active | 1,524 | ✓ confirmed |
| r/barrie | municipality | Barrie | general | Subreddit for people in Barrie, Ontario and surrounding Simcoe County. | active | 40,432 | ✓ confirmed |
| r/Barrie360 | city-topic | Barrie | general | "What Barrie's Talking About" — local news-style sub. | unknown | — | ⚠️ “still being checked” |
| r/barriehelp | city-topic | Barrie | other | Subreddit dedicated to helping residents of Barrie, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/BarrieOntario | city-topic | Barrie | general | Sub for people who live in or care about Barrie, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/BellevilleOntario | municipality | Belleville | general | A subreddit for discussing Belleville, Ontario (and surrounding region). | active | 11,364 | ✓ confirmed |
| r/bluemountain | region | Collingwood | outdoors | Blue Mountain Ski & Snowboard Resort chat, Collingwood, ON. | unknown | — | ⚠️ “still being checked” |
| r/bracebridge | municipality | Bracebridge | general | "The heart of Muskoka." | active | < 1,000 (not shown) | ✓ confirmed |
| r/BracebridgeHospital | city-topic | Bracebridge | politics | Organizing/info-sharing re: the future of South Muskoka Memorial Hospital (MAHC plan). | unknown | — | ⚠️ “still being checked” |
| r/Brampton | municipality | Brampton | general | Welcome to the Flower city! | active | 56,957 | ✓ confirmed |
| r/Brampton_REAL | city-topic | Brampton | general | unknown | — | ⚠️ “still being checked” | |
| r/bramptondriving | city-topic | Brampton | transit | Stories/images/rants about driving in Brampton, ON. | unknown | — | ⚠️ “still being checked” |
| r/BramptonFans | city-topic | Brampton | other | unknown | — | ⚠️ “still being checked” | |
| r/BramptonMan | city-topic | Brampton | other | unknown | — | ⚠️ “still being checked” | |
| r/BramptonTransit | city-topic | Brampton | transit | Thoughts on Brampton Transit (not run by a commuter). | unknown | — | ⚠️ “still being checked” |
| r/brantford | municipality | Brantford | general | A platform for creatives, local businesses, residents and leaders to share, make and discuss. | active | 16,556 | ✓ confirmed |
| r/BrantfordDrivers | city-topic | Brantford | transit | Driving/traffic content for the city of Brantford. | unknown | — | ⚠️ “still being checked” |
| r/BrantfordON | city-topic | Brantford | general | General Brantford, Ontario subreddit. | unknown | — | ⚠️ “still being checked” |
| r/brocku | city-topic | St. Catharines | university | Brock University subreddit (St. Catharines). | unknown | — | ⚠️ “still being checked” |
| r/Brockville | municipality | Brockville | general | "City of the 1000 Islands" — Eastern Ontario, on the St. Lawrence. | active | 3,827 | ✓ confirmed |
| r/Brockvilleleedsgrenvl | region | Brockville / Leeds-Grenville | general | Local news & info for Brockville & Leeds-Grenville. | unknown | — | ⚠️ “still being checked” |
| r/BurlingtonON | municipality | Burlington | general | All things Burlington, Ontario and surrounding areas. Not affiliated with the City. | active | 43,131 | ✓ confirmed |
| r/BuyCanadian | national | Canada | deals | Share favourite Canadian businesses and local goodies; find Canadian alternatives to imported goods. | active | 395,667 | ✓ confirmed |
| r/BuyEUandCanadian | national | Canada | deals | Compiling EU and Canadian goods/services and where to find them. | unknown | — | ⚠️ “still being checked” |
| r/caledon | municipality | Caledon | general | Includes communities like Alton, Bolton, Caledon East, Mayfield West, Southfields. | active | 1,543 | ✓ confirmed |
| r/CaledonON | municipality | Caledon | general | Subreddit for Caledon, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/cambridgeON | city-topic | Cambridge | general | "For the six news stories and events to ever hit" Cambridge, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/cambridgeont | municipality | Cambridge | general | All things Cambridge, Ontario (Waterloo Region); not affiliated with the City. | active | 14,194 | ✓ confirmed |
| r/canada | national | Canada | general | Welcome to Canada's subreddit! Engage on all things Canada, in English and French. | active | 4,321,634 | ✓ confirmed |
| r/Canada_sub | national | Canada | general | private | — | ✓ confirmed | |
| r/canadahousing | national | Canada | housing | Updates and news about Canada's housing crisis; wants transparency and ample housing stock. | active | 303,973 | ✓ confirmed |
| r/CanadaHousing2 | national | Canada | housing | active | 57,641 | ✓ confirmed | |
| r/CanadaImmigrationFAQs | national | Canada | other | FAQs on Canada immigration: PR, sponsorship, work permits, visitor visa, super visa. | unknown | — | ⚠️ “still being checked” |
| r/CanadaPersonalFinance | national | Canada | finance | unknown | — | ⚠️ “still being checked” | |
| r/CanadaPolitics | national | Canada | politics | Polite discussions about Canadian politics. | active | 273,424 | ✓ confirmed |
| r/CanadaPRImmigration | national | Canada | other | Canada PR / immigration / IELTS discussion, run by a paid-service company (GetKeel.com). | unknown | — | ⚠️ “still being checked” |
| r/CanadianBuyGuide | national | Canada | deals | Canadians helping each other make better purchasing decisions; price/quality comparisons. | unknown | — | ⚠️ “still being checked” |
| r/CanadianConservative | national | Canada | politics | The place for Canadian conservatives, libertarians, right-wing populists and right-leaning moderates on Reddit. | active | 23,286 | ✓ confirmed |
| r/CanadianInvestor | national | Canada | finance | Canadians interested in investing; discussion geared to investment opportunities Canadians have access to. | active | 660,972 | ✓ confirmed |
| r/CanadianVisaReform | national | Canada | politics | unknown | — | ⚠️ “still being checked” | |
| r/chathamkent | municipality | Chatham-Kent | general | Subreddit for Chatham-Kent, Ontario. | active | 2,342 | ✓ confirmed |
| r/chathamkentON | municipality | Chatham-Kent | general | Covers Chatham, Wallaceburg, Dresden, Tilbury, Blenheim and more. | unknown | — | ⚠️ “still being checked” |
| r/Cobourg | municipality | Cobourg | general | Cobourg — Ontario's Feel Good Town. | active | 3,012 | ✓ confirmed |
| r/Collingwood_Ontario | municipality | Collingwood | general | Community for Collingwood, Ontario residents and others with an interest. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/Cornwall_SDG_Nature | region | Cornwall (SDG counties) | outdoors | Natural beauty/wildlife of Cornwall and Stormont-Dundas-Glengarry counties. | unknown | — | ⚠️ “still being checked” |
| r/CornwallOnt | municipality | Cornwall | general | A place for everything Cornwall, Ontario — local news to new friends. | active | 5,362 | ✓ confirmed |
| r/CoworkingMississauga | city-topic | Mississauga | other | Coworking/creatives/freelancers/entrepreneurs network in Mississauga. | unknown | — | ⚠️ “still being checked” |
| r/dcs_uoft | city-topic | Toronto | university | Department of Computer Science at the University of Toronto. | unknown | — | ⚠️ “still being checked” |
| r/DriveTO | city-topic | Toronto | transit | unknown | — | ⚠️ “still being checked” | |
| r/durham | region | Durham Region | general | Covering news and items of interest from Durham Region, Ontario. | active | 32,840 | ✓ confirmed |
| r/durhamcollege | region | Durham Region | university | Unofficial Durham College (Oshawa/Whitby) subreddit. | unknown | — | ⚠️ “still being checked” |
| r/EasternON | region | Eastern Ontario | general | Community news for Kingston, Frontenac, Lennox and Addington, Quinte, Leeds-Grenville, Lanark. | unknown | — | ⚠️ “still being checked” |
| r/ehbuddycanuck | national | Canada | other | unknown | — | ⚠️ “still being checked” | |
| r/EhBuddyHoser | national | Canada | other | Shitposting with a distinct Canadian flair. | active | 126,467 | ✓ confirmed |
| r/EhBuddyHoser2 | national | Canada | other | unknown | — | ⚠️ “still being checked” | |
| r/EntrepreneurCanada | national | Canada | jobs | Canadian entrepreneurs and unique business landscape. | unknown | — | ⚠️ “still being checked” |
| r/Etobicoke | city-general | Etobicoke (Toronto) | general | "We don't pronounce the 'k'!" | active | 16,822 | ✓ confirmed |
| r/FishingOntario | province | Ontario | outdoors | Connecting with other anglers across Ontario. | unknown | — | ⚠️ “still being checked” |
| r/FoodToronto | city-topic | Toronto | food | Showcase for great food & drink places across the GTA. | active | 118,520 | ✓ confirmed |
| r/fordnation | province | Ontario | politics | FORD NATION, FOLKS! | unknown | < 1,000 (not shown) | ✓ confirmed |
| r/forterie | municipality | Fort Erie | general | A place for Fort Erie / Ridgeway locals to post news/current events. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/GayMenToronto | city-topic | Toronto | other | Community for gay men in Toronto to hang out, discuss, share love for the city. | active | 10,234 | ✓ confirmed |
| r/geegees | city-topic | Ottawa | university | University of Ottawa / Universite d'Ottawa community, bilingual. | unknown | — | ⚠️ “still being checked” |
| r/GeorgianCollegeBarrie | city-topic | Barrie | university | Georgian College (Barrie) student community. | unknown | — | ⚠️ “still being checked” |
| r/gotransit | region | GTA/Golden Horseshoe | transit | GO Transit — regional commuter rail/bus serving the Golden Horseshoe. | active | 19,500 | ✓ confirmed |
| r/Gravenhurst | municipality | Gravenhurst | general | Town of Gravenhurst, Muskoka, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/GreaterTorontoArea | region | GTA | general | News, People, Places, Events, Pictures, and Discussions on the Greater Toronto Area (GTA); encompasses 6.7 million residents across Toronto, Durham, Halton, Peel and York. | active | < 1,000 (not shown) | ✓ confirmed |
| r/GreyCounty | region | Grey County | general | Owen Sound, West Grey, Meaford, Blue Mountains, Georgian Bluffs, Grey Highlands, Hanover, Southgate, Chatsworth. | unknown | — | ⚠️ “still being checked” |
| r/GTAFantasyTransitMaps | region | GTA | transit | Fantasy/concept transit maps for the Greater Toronto area. | unknown | — | ⚠️ “still being checked” |
| r/gtamarketplace | region | GTA | classifieds | active | 12,435 | ✓ confirmed | |
| r/GTHAtransit | region | Greater Toronto & Hamilton Area | transit | Transit in the GTHA incl. Kitchener-Waterloo, Barrie. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/Guelph | municipality | Guelph | general | A subreddit for Guelph, Ontario! | active | 44,391 | ✓ confirmed |
| r/HaldimandCounty | region | Haldimand County | general | Covers Caledonia, Hagersville, Cayuga, Dunnville and more. | unknown | — | ⚠️ “still being checked” |
| r/Haliburton | municipality | Haliburton | general | Community to discuss and enjoy all things Haliburton, ON. | active | < 1,000 (not shown) | ✓ confirmed |
| r/Halton | region | Halton Region | general | Locals in Burlington, Oakville, Milton, Halton Hills connecting. | active | 1,218 | ✓ confirmed |
| r/HaltonON | region | Halton Region | general | Burlington/Oakville/Milton/Halton Hills community group (not municipally affiliated). | unknown | — | ⚠️ “still being checked” |
| r/Hamilton | municipality | Hamilton | general | The City of Hamilton, Ontario. Not affiliated with the municipal government. | active | 140,184 | ✓ confirmed |
| r/HamiltonCa | city-topic | Hamilton | general | Community news, opinion, events for Hamilton ("City of Waterfalls"). | unknown | — | ⚠️ “still being checked” |
| r/hamiltoncraftbeer | city-topic | Hamilton | food | Craft beer scene news for Hamilton, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/Hamiltonients | city-topic | Hamilton | other | Hamilton, Ontario's cannabis-centric subreddit. | unknown | — | ⚠️ “still being checked” |
| r/HamiltonMusic | city-topic | Hamilton | other | Hamilton, Ontario music scene / local bands. | unknown | — | ⚠️ “still being checked” |
| r/HamiltonOntario | municipality | Hamilton | general | private | — | ✓ confirmed | |
| r/hamiltonshitposts | city-topic | Hamilton | other | "The City of Hamilton Circlejerk" — parody/meme sub. | unknown | — | ⚠️ “still being checked” |
| r/heinbuddyhoser | national | Canada | other | unknown | — | ⚠️ “still being checked” | |
| r/HoserUndergroundEh | national | Canada | other | unknown | — | ⚠️ “still being checked” | |
| r/HuntsvilleOntario | municipality | Huntsville | general | A place for everything going on in Huntsville, Ontario. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/ImmigrationCanada | national | Canada | other | The Canadian Immigration Subreddit — questions/discussion on immigrating to Canada. Not legal advice. | active | 293,838 | ✓ confirmed |
| r/ImmigrationNewsCanada | national | Canada | other | Toronto-based immigration news/media outlet's subreddit. | unknown | — | ⚠️ “still being checked” |
| r/ImmigrationPolicyCA | national | Canada | politics | Canadian immigration news and policy discussion. | unknown | — | ⚠️ “still being checked” |
| r/ImNotYourBuddyFriend | national | Canada | other | unknown | — | ⚠️ “still being checked” | |
| r/Kanata | municipality | Kanata (Ottawa) | general | Community for fellow redditors in Kanata, Ontario (Ottawa suburb). | active | 22,359 | ✓ confirmed |
| r/KingstonOntario | municipality | Kingston | general | Vibrant community for Kingston, Ontario residents/visitors/enthusiasts. | active | 57,049 | ✓ confirmed |
| r/KingstonRoomates | city-topic | Kingston | housing | Sub-Reddit to find roommates in Kingston, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/kitchener | municipality | Kitchener | general | Reddit community for the City of Kitchener, Canada. | active | 85,652 | ✓ confirmed |
| r/KitchenerONT | city-topic | Kitchener | general | Kitchener/Waterloo Region community news, events, happenings. | unknown | — | ⚠️ “still being checked” |
| r/KitchenerRangers | city-topic | Kitchener | sports | Kitchener Rangers (OHL) subreddit. | unknown | — | ⚠️ “still being checked” |
| r/kitchenerwaterloo | region | Kitchener-Waterloo | general | Community for people from Kitchener/Waterloo/St. Jacobs/Elmira. | unknown | — | ⚠️ “still being checked” |
| r/KitchenerWaterloo519 | region | Kitchener-Waterloo | general | unknown | — | ⚠️ “still being checked” | |
| r/kitchenerwaterloofind | region | Kitchener-Waterloo | classifieds | Community helping locate items/products locally (incl. supporting local businesses). | unknown | — | ⚠️ “still being checked” |
| r/KW20s30sFriends | region | Kitchener-Waterloo | events | 20s/30s friend-making hangout sub for KW. | unknown | — | ⚠️ “still being checked” |
| r/lakeheadorillia | city-topic | Orillia | university | Lakehead University Orillia Campus (not officially affiliated). | unknown | — | ⚠️ “still being checked” |
| r/lakeheadu | municipality | Thunder Bay | university | Lakehead University (Thunder Bay) community, not officially affiliated. | unknown | — | ⚠️ “still being checked” |
| r/lambtoncpro | city-topic | Sarnia | jobs | Computer programmers in the Sarnia/Lambton area. | unknown | — | ⚠️ “still being checked” |
| r/leafs | city-topic | Toronto | sports | active | 386,762 | ✓ confirmed | |
| r/Lond_ON | city-topic | London | general | General subreddit about London, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/londonontario | municipality | London | general | active | 130,929 | ✓ confirmed | |
| r/LondonOntarioFood | city-topic | London | food | Food & drink, restaurants, shopping, festivals in London, ON. | unknown | — | ⚠️ “still being checked” |
| r/LondonOntarioJobs | city-topic | London | jobs | unknown | — | ⚠️ “still being checked” | |
| r/MakeItHome | region | South-Eastern Ontario | transit | Traffic/community safety news for Kingston, Frontenac, Quinte, Leeds-Grenville, Lanark. | unknown | — | ⚠️ “still being checked” |
| r/Markham | municipality | Markham | general | For all discussion of and relating to the City of Markham (Ontario, Canada)! | active | 55,166 | ✓ confirmed |
| r/MarkhamOntario | city-topic | Markham | general | Subreddit for Markham or those interested in the city. | unknown | — | ⚠️ “still being checked” |
| r/MassImmigrationCanada | national | Canada | politics | unknown | — | ⚠️ “still being checked” | |
| r/MeetupMississauga | city-topic | Mississauga | events | SFW meetup groups and events in and around Mississauga. | unknown | — | ⚠️ “still being checked” |
| r/metacanada | national | Canada | politics | restricted | 45,092 | ✓ confirmed | |
| r/Metrolinx | region | Greater Toronto & Hamilton Area | transit | We are not affiliated with the Metrolinx company. We are purely a subreddit for discussion about Metrolinx and anything about them, including their subcompanies (such as GO Transit, UP Express). | unknown | < 1,000 (not shown) | ✓ confirmed |
| r/miltonontario | municipality | Milton | general | A subreddit for the community of Milton, Ontario. | restricted | 1,033 | ✓ confirmed |
| r/MiltonRealEstate | city-topic | Milton | housing | Milton, Ontario real estate: residential, land, commercial, buy/sell/rent/lease. | unknown | — | ⚠️ “still being checked” |
| r/mississauga | municipality | Mississauga | general | Welcome to Mississauga! | active | 85,441 | ✓ confirmed |
| r/Mississauga_CA | city-topic | Mississauga | general | Mississauga news, events, and discussions. | unknown | — | ⚠️ “still being checked” |
| r/MississaugaDriving | city-topic | Mississauga | transit | Driving, traffic, road conditions in Mississauga/Peel Region (The 905). | unknown | — | ⚠️ “still being checked” |
| r/MississaugaJobs | city-topic | Mississauga | jobs | People looking to hire/get hired in Mississauga and close surrounding areas. | unknown | — | ⚠️ “still being checked” |
| r/MississaugaMeetups | city-topic | Mississauga | events | unknown | — | ⚠️ “still being checked” | |
| r/MississaugaON | city-topic | Mississauga | general | News, Events, Photos and Videos about Mississauga; no question posts. | unknown | — | ⚠️ “still being checked” |
| r/MississaugaOntario | city-topic | Mississauga | general | Community for people of Mississauga to find info on places/services/goods. | unknown | — | ⚠️ “still being checked” |
| r/MississaugaPhoto | city-topic | Mississauga | other | Photography spot for pros/enthusiasts in Mississauga. | unknown | — | ⚠️ “still being checked” |
| r/MississaugaRealEstate | city-topic | Mississauga | housing | Real estate info for Mississauga, Peel Region. | unknown | — | ⚠️ “still being checked” |
| r/Muskoka | region | Muskoka | general | (No public description set beyond title.) | active | 3,120 | ✓ confirmed |
| r/Newmarket | municipality | Newmarket | general | Newmarket is a town north of the City of Toronto, Ontario. | active | 12,150 | ✓ confirmed |
| r/niagara | region | Niagara Region | general | Niagara (Ontario Region) — original Niagara Falls/area sub since 2009. | active | 24,213 | ✓ confirmed |
| r/NiagaraFalls | municipality | Niagara Falls | general | Official subreddit for Niagara Falls, Ontario. | active | 7,928 | ✓ confirmed |
| r/niagarafallsontario | municipality | Niagara Falls | general | unknown | — | ⚠️ “still being checked” | |
| r/norontario | region | Northern Ontario | general | Discussion, news and events across Northern Ontario. | unknown | — | ⚠️ “still being checked” |
| r/northbay | municipality | North Bay | general | Digital hub for all things North Bay, Ontario. | active | 10,239 | ✓ confirmed |
| r/NorthBayMusicians | city-topic | North Bay | other | Musicians of the North Bay area sharing music/gigs. | unknown | — | ⚠️ “still being checked” |
| r/NorthBayOntario | city-topic | North Bay | general | Community space for North Bay, Ontario news/events/photos. | unknown | — | ⚠️ “still being checked” |
| r/northernontario | region | Northern Ontario | general | News for Northern Ontario, Sudbury to Kenora to Hudson Bay. | active | 11,877 | ✓ confirmed |
| r/NorthOntarioHistory | region | Northern Ontario | other | Exploring the history of Northern Ontario. | unknown | — | ⚠️ “still being checked” |
| r/NorthWestOntario | region | Northwestern Ontario | general | Community for people living in NW Ontario (Manitobans nearby welcome too). | unknown | — | ⚠️ “still being checked” |
| r/NorthYork | city-general | North York (Toronto) | general | North York, Ontario, Canada. | active | 1,776 | ✓ confirmed |
| r/oakville | municipality | Oakville | general | For those that live/work/play in Oakville, Ontario, in the GTHA. | active | 43,832 | ✓ confirmed |
| r/ONDP | province | Ontario | politics | unknown | < 1,000 (not shown) | ✓ confirmed | |
| r/onguardforthee | national | Canada | politics | active | 324,241 | ✓ confirmed | |
| r/ontario | province | Ontario | general | Welcome to r/Ontario, the largest and oldest online community dedicated to the lovely people of Ontario, Canada. | active | 1,049,605 | ✓ confirmed |
| r/OntarioAbandoned | province | Ontario | outdoors | Photos of abandoned places across Ontario, Canada. | unknown | — | ⚠️ “still being checked” |
| r/ontarioconservatives | province | Ontario | politics | This forum is dedicated to first and foremost, discussion of the conservative platform and the ideals contained wherein... a place to organize and socialize among like minded individuals. | dead | < 1,000 (not shown) | ✓ confirmed |
| r/Ontariodrivetest | province | Ontario | other | Questions/discussion on Ontario DriveTest centres and G1/G2/G licences. | active | 19,493 | ✓ confirmed |
| r/OntarioNDP | province | Ontario | politics | dead | < 1,000 (not shown) | ✓ confirmed | |
| r/OntarioPolitics | province | Ontario | politics | Ontario Politics - General discussion of the events at Queen's Park and the politics of Ontario's many municipalities. | unknown | 3,022 | ✓ confirmed |
| r/OntarioUniversities | province | Ontario | university | Everything related to universities in Ontario, Canada. | active | 58,867 | ✓ confirmed |
| r/ONTeacherCandidates | province | Ontario | other | Ontario teacher candidates / education students / future educators. | unknown | — | ⚠️ “still being checked” |
| r/orangeville | municipality | Orangeville | general | Dedicated to the town of Orangeville, Ontario and surrounding area. | active | 3,064 | ✓ confirmed |
| r/Orillia | municipality | Orillia | general | Subreddit for Orillia, Ontario and surrounding communities. | active | 6,659 | ✓ confirmed |
| r/Oshawa | municipality | Oshawa | general | Community forum for the City of Oshawa, Ontario. | active | 30,668 | ✓ confirmed |
| r/ottawa | municipality | Ottawa | general | News, events, discussions from Ottawa, Ontario / Nouvelles locales d'Ottawa. Bilingual EN/FR. | active | 381,606 | ✓ confirmed |
| r/OttawaFishing | city-topic | Ottawa | outdoors | Local anglers sharing fishing experience in the National Capital Region. | unknown | — | ⚠️ “still being checked” |
| r/OttawaFood | city-topic | Ottawa | food | Pics/this library's internal review records of restaurant food across Ottawa. | unknown | — | ⚠️ “still being checked” |
| r/OttawaMeetups | city-topic | Ottawa | events | Organizing meetups (hiking, canoeing, drinks) for r/Ottawa readers. | unknown | — | ⚠️ “still being checked” |
| r/OttawaMusic | city-topic | Ottawa | other | Music creators and fans in Ottawa, all genres. | unknown | — | ⚠️ “still being checked” |
| r/OttawaNews | city-topic | Ottawa | general | Breaking news/developing stories for the Ottawa area. | unknown | — | ⚠️ “still being checked” |
| r/OttawaPhotography | city-topic | Ottawa | other | Sharing photography work and NCR nature/cityscape shots. | unknown | — | ⚠️ “still being checked” |
| r/OttawaPolitics | municipality | Ottawa | politics | The go to place for politically active Ottawans | dead | < 1,000 (not shown) | ✓ confirmed |
| r/OttawaSenators | municipality | Ottawa | sports | Ottawa Senators NHL team subreddit. | active | 58,977 | ✓ confirmed |
| r/OttawaWxRecords | city-topic | Ottawa | other | Discussion of unusual weather/weather trivia for Ottawa. | unknown | — | ⚠️ “still being checked” |
| r/OwenSound | region | Owen Sound / Bruce Peninsula | general | For Owen Sounders and others from the Bruce Peninsula. | active | 4,889 | ✓ confirmed |
| r/OwenSoundOnt | municipality | Owen Sound | general | Page for anyone in Owen Sound to share local/surrounding info. | unknown | — | ⚠️ “still being checked” |
| r/ParkdaleToronto | city-topic | Parkdale (Toronto) | general | Toronto's west end neighbourhood on Lake Ontario. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/peelregion | region | Peel Region | general | Local Peel news, discussions, things to do & food. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/PersonalFinanceCanada | national | Canada | finance | Your one-stop shop to discuss personal finance within Canada. | active | 1,867,531 | ✓ confirmed |
| r/Peterborough | municipality | Peterborough | general | News, events and discussion for Peterborough, Ontario, Canada. | active | 31,639 | ✓ confirmed |
| r/Peterborough_Cleanup | city-topic | Peterborough | other | Organizing litter clean-up efforts in Peterborough, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/PeterboroughDriving | city-topic | Peterborough | transit | Dashcam footage/discussion about Peterborough-area drivers. | unknown | — | ⚠️ “still being checked” |
| r/PeterboroughFishing | city-topic | Peterborough | outdoors | Anglers of Peterborough connecting and sharing. | unknown | — | ⚠️ “still being checked” |
| r/peterboroughontario | city-topic | Peterborough | general | General Peterborough, Ontario subreddit. | unknown | — | ⚠️ “still being checked” |
| r/Pickering | municipality | Pickering | general | A subreddit for the residents of Pickering, Ontario, Canada. | active | 7,638 | ✓ confirmed |
| r/PokemonGO_Etobicoke | city-topic | Etobicoke (Toronto) | other | Pokemon Go meetup/coordination sub for Etobicoke. | unknown | — | ⚠️ “still being checked” |
| r/PokemonGoKanata | city-topic | Kanata (Ottawa) | other | Pokemon Go for residents/visitors of Ottawa's west end (Kanata). | unknown | — | ⚠️ “still being checked” |
| r/porthope | municipality | Port Hope | general | Social/news-worthy/cultural happenings in Port Hope, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/povertyfinancecanada | national | Canada | finance | A place for Canadians near the poverty line to discuss personal finance. | active | 71,204 | ✓ confirmed |
| r/prestonhighschool | city-topic | Cambridge | other | Students/alumni of Preston High School, Cambridge, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/queensuniversity | city-topic | Kingston | university | Queen's University community in Kingston, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/RailFansCanada | national | Canada | transit | Canada's rail enthusiast community. | unknown | — | ⚠️ “still being checked” |
| r/richmondhill | municipality | Richmond Hill | general | active | 17,494 | ✓ confirmed | |
| r/richmondhillontario | city-topic | Richmond Hill | general | General Richmond Hill, ON community sub. | unknown | — | ⚠️ “still being checked” |
| r/Roncesvalles | city-topic | Roncesvalles (Toronto) | general | active | < 1,000 (not shown) | ✓ confirmed | |
| r/ryerson | city-topic | Toronto | university | unknown | — | ⚠️ “still being checked” | |
| r/SafeStreetsYork | region | York Region | other | Traffic safety, micromobility and transit advocacy in York Region, Ontario. | active | < 1,000 (not shown) | ✓ confirmed |
| r/Sarnia | municipality | Sarnia | general | News in Sarnia, or.. whatever. | active | 14,281 | ✓ confirmed |
| r/Sarnia_Ontario | city-topic | Sarnia | general | History, memories and things that matter in Sarnia. | unknown | — | ⚠️ “still being checked” |
| r/SaultOntario | municipality | Sault Ste. Marie | general | News & discussion about Sault Ste. Marie, Ontario, Canada. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/saultrealestate | city-topic | Sault Ste. Marie | housing | Sault Ste. Marie real estate market info/trends. | unknown | — | ⚠️ “still being checked” |
| r/Scarborough | city-general | Scarborough (Toronto) | general | Suburb of Toronto known as one of the most diverse/multicultural areas in the GTA. | active | 37,930 | ✓ confirmed |
| r/ScarboroughRT | city-topic | Scarborough (Toronto) | transit | Dedicated to the (now-closed, 1985-2023) Scarborough Rapid Transit line. | unknown | — | ⚠️ “still being checked” |
| r/ScarboroughSS | city-topic | Scarborough (Toronto) | sports | Scarborough Shooting Stars (CEBL basketball) fan sub. | unknown | — | ⚠️ “still being checked” |
| r/simcoeprogressives | region | Simcoe County | politics | Progressive-minded organizing hub covering Barrie to Orillia, Collingwood to Innisfil. | unknown | — | ⚠️ “still being checked” |
| r/skule | city-topic | Toronto | university | UofT Engineering ("Skule"). | unknown | — | ⚠️ “still being checked” |
| r/SooGreyhounds | city-topic | Sault Ste. Marie | sports | Soo Greyhounds (OHL) discussion. | unknown | — | ⚠️ “still being checked” |
| r/SouthEtobicoke | city-topic | Etobicoke (Toronto) | general | Photos/videos/news from South Etobicoke (south of Eglinton). | unknown | — | ⚠️ “still being checked” |
| r/SouthOshawa | city-topic | Oshawa | general | Network/share-ideas sub for the South Oshawa area. | unknown | — | ⚠️ “still being checked” |
| r/StCatharinesFriends | city-topic | St. Catharines | events | Resource for Canadians in/near St. Catharines to make local IRL friends. | unknown | — | ⚠️ “still being checked” |
| r/stcatharinesON | municipality | St. Catharines | general | Local Reddit community for the City of St. Catharines, Ontario — 'The Garden City'. | active | 40,443 | ✓ confirmed |
| r/StratfordFestival | city-topic | Stratford | other | Stratford Festival — North America's largest repertory theatre festival. | unknown | — | ⚠️ “still being checked” |
| r/StratfordOntario | municipality | Stratford | general | Home to the Stratford Festival theatre scene and a growing underground music scene. | active | 8,862 | ✓ confirmed |
| r/StrongTownsRH | city-topic | Richmond Hill | other | Strong Towns Richmond Hill local urbanism conversation group. | unknown | — | ⚠️ “still being checked” |
| r/stthomasontario | municipality | St. Thomas | general | Community for St. Thomas, Ontario; has a Discord. | active | 8,503 | ✓ confirmed |
| r/Sudbury | municipality | Sudbury | general | Subreddit for Sudbury, Ontario. | active | 19,556 | ✓ confirmed |
| r/SudburyONjobs | city-topic | Sudbury | jobs | Job postings & frustrations, Sudbury, ON. | unknown | — | ⚠️ “still being checked” |
| r/SudburyOntario | city-topic | Sudbury | general | "Our Home in the North" — Sudbury and nearby communities news/events. | unknown | — | ⚠️ “still being checked” |
| r/tfc | city-topic | Toronto | sports | Toronto FC — Toronto Football Club. | active | 30,883 | ✓ confirmed |
| r/tfsa | national | Canada | finance | Community for discussion about the Tax-Free Savings Account (TFSA). | unknown | — | ⚠️ “still being checked” |
| r/theCanadaList | national | Canada | deals | Assigns products a 1-10 "CANADA Score" based on ownership/manufacturing/sourcing/jobs. | unknown | — | ⚠️ “still being checked” |
| r/thorold | municipality | Thorold | general | City of Thorold, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/ThunderBay | municipality | Thunder Bay | general | What's happening in and around Thunder Bay, Ontario. | active | 29,743 | ✓ confirmed |
| r/ThunderBayDating | city-topic | Thunder Bay | other | "Are we dating the same person?" dating-story sub for Thunder Bay. | unknown | — | ⚠️ “still being checked” |
| r/thunderbayfishing | city-topic | Thunder Bay | outdoors | Best fishing spots in Thunder Bay. | unknown | — | ⚠️ “still being checked” |
| r/ThunderBayJobs | city-topic | Thunder Bay | jobs | Job seekers and job postings in Thunder Bay. | unknown | — | ⚠️ “still being checked” |
| r/ThunderBayNews | city-topic | Thunder Bay | general | Local news stories for Thunder Bay. | unknown | — | ⚠️ “still being checked” |
| r/thunderbaypics | city-topic | Thunder Bay | other | Cool pictures of Thunder Bay. | unknown | — | ⚠️ “still being checked” |
| r/ThunderBayTrails | city-topic | Thunder Bay | outdoors | Hiking/biking/ski trail chat for Thunder Bay area. | unknown | — | ⚠️ “still being checked” |
| r/timmins | municipality | Timmins | general | City of Timmins subreddit; also covers NE Ontario news. | active | 2,383 | ✓ confirmed |
| r/TOmaps | city-topic | Toronto | other | Historical/futuristic/transit/real-estate maps of Toronto. | unknown | — | ⚠️ “still being checked” |
| r/toRANTo | city-topic | Toronto | other | toRANTo — rant and vent about Toronto. | active | 23,851 | ✓ confirmed |
| r/toronto | city-general | Toronto | general | News, People, Places, Events, Pictures, and Discussions on Toronto; Canada's Business and Financial capital, and the Provincial capital of Ontario. | active | 926,032 | ✓ confirmed |
| r/TorontoAnarchy | city-topic | Toronto | other | unknown | — | ⚠️ “still being checked” | |
| r/TorontoArt | city-topic | Toronto | other | Community for painters, DJs, musicians, illustrators, designers, photographers to showcase work. | active | 2,581 | ✓ confirmed |
| r/torontobiking | city-topic | Toronto | outdoors | Cyclists in, around, and passing through the GTA. | active | 40,426 | ✓ confirmed |
| r/Torontobluejays | city-topic | Toronto | sports | Toronto Blue Jays — news, game threads, analysis. | active | 286,328 | ✓ confirmed |
| r/torontocraftbeer | city-topic | Toronto | food | Craft beer discussion/geekery for the GTA. | active | 8,344 | ✓ confirmed |
| r/TorontoDriving | city-topic | Toronto | transit | Toronto dash cam videos and driving discussion. | restricted | 62,775 | ✓ confirmed |
| r/Torontoevents | city-topic | Toronto | events | Events/meetups for Toronto redditors. | active | 34,706 | ✓ confirmed |
| r/TorontoHangoutFriends | city-topic | Toronto | events | unknown | — | ⚠️ “still being checked” | |
| r/TorontoHousing | city-topic | Toronto | housing | TCHC (Toronto Community Housing) topics plus general Toronto housing. | restricted | < 1,000 (not shown) | ✓ confirmed |
| r/torontoJobs | city-topic | Toronto | jobs | active | 92,486 | ✓ confirmed | |
| r/TorontoJustice | city-topic | Toronto | other | Redditors helping redditors — stolen bikes, caught assaults on camera, restoring justice. | unknown | — | ⚠️ “still being checked” |
| r/TorontoMetU | city-topic | Toronto | university | active | 27,387 | ✓ confirmed | |
| r/torontoraptors | city-topic | Toronto | sports | Toronto Raptors — incl. Raptors 905 & Canada Basketball. | active | 591,613 | ✓ confirmed |
| r/TorontoRaves | city-topic | Toronto | nightlife | Toronto's underground and mainstream rave/electronic-music community. | active | 19,994 | ✓ confirmed |
| r/TorontoRealEstate | city-topic | Toronto | housing | Toronto GTA real estate news & trends, incl. Halton/Peel/York/Durham. | active | 145,656 | ✓ confirmed |
| r/TorontoRenting | city-topic | Toronto | housing | Finding roommates/apartments in Toronto and the GTA; rental advice. | active | 51,611 | ✓ confirmed |
| r/TorontoSinglesOver30 | city-topic | Toronto | events | unknown | — | ⚠️ “still being checked” | |
| r/TorontoTransit | city-topic | Toronto | transit | Transit in and around the GTA. | active | 2,647 | ✓ confirmed |
| r/transontario | province | Ontario | other | For trans, questioning, family/friends/allies from Ontario (and welcomes other provinces too). | active | 11,539 | ✓ confirmed |
| r/TTC | city-topic | Toronto | transit | Unofficial subreddit for the Toronto Transit Commission. | active | 64,822 | ✓ confirmed |
| r/UofT | city-topic | Toronto | university | University of Toronto — academic, social and cultural activities. | active | 152,054 | ✓ confirmed |
| r/UofTEng | city-topic | Toronto | university | Prospective/current/former UofT Engineering students (unofficial). | unknown | — | ⚠️ “still being checked” |
| r/UrbexBrampton | city-topic | Brampton | outdoors | Urban exploration around the Brampton area. | unknown | — | ⚠️ “still being checked” |
| r/UrbexMississauga | city-topic | Mississauga | outdoors | Urban exploration for Mississauga residents. | unknown | — | ⚠️ “still being checked” |
| r/UTM | city-topic | Mississauga | university | University of Toronto Mississauga. | active | 21,240 | ✓ confirmed |
| r/UTSC | city-topic | Scarborough (Toronto) | university | UofT Scarborough Campus. | active | 20,232 | ✓ confirmed |
| r/UWindsor | city-topic | Windsor | university | Official University of Windsor subreddit. | unknown | — | ⚠️ “still being checked” |
| r/Vaughan | municipality | Vaughan | general | For the Canadian city in Ontario, north of Toronto. | active | 20,600 | ✓ confirmed |
| r/VaughanSocializing | city-topic | Vaughan | events | Community for Vaughan residents to meet people / make friends. | unknown | — | ⚠️ “still being checked” |
| r/waterloo | region | Waterloo Region | general | Subreddit for the Regional Municipality of Waterloo (Kitchener, Cambridge, Waterloo + townships). | active | 88,785 | ✓ confirmed |
| r/Welland | municipality | Welland | general | News, events and info for Welland, Ontario. | active | 8,808 | ✓ confirmed |
| r/WestBrant | city-topic | Brantford | general | Residents of West Brant, Brantford, Ontario. | unknown | — | ⚠️ “still being checked” |
| r/whitby | municipality | Whitby | general | Whitby, Ontario, Canada. | active | 2,406 | ✓ confirmed |
| r/windsor | municipality | Windsor | general | restricted | 5,184 | ✓ confirmed | |
| r/windsoreats | city-topic | Windsor | food | Food, drink, festivals and things to do in and around Windsor. | unknown | — | ⚠️ “still being checked” |
| r/windsorontario | municipality | Windsor | general | Officially unofficial subreddit for Windsor, Ontario; has a Discord. | active | 63,074 | ✓ confirmed |
| r/windsorontarioRE | city-topic | Windsor | housing | Windsor, ON real estate market insights/prices/investing tips. | unknown | — | ⚠️ “still being checked” |
| r/windsorpickupsports | city-topic | Windsor | outdoors | Casual/no-commitment pickup sports coordination in Windsor. | unknown | — | ⚠️ “still being checked” |
| r/woodstockontario | region | Woodstock/Oxford County | general | Named after Woodstock, the seat of Oxford County, Southwestern Ontario. | active | 11,574 | ✓ confirmed |
| r/wtfttc | city-topic | Toronto | transit | "What the heck is going on in the TTC?" incident-focused sub; cross-posts from askTO. | unknown | — | ⚠️ “still being checked” |
| r/YIMBYCanada | national | Canada | housing | (no description set) | dead | < 1,000 (not shown) | ✓ confirmed |
| r/YorkRegion | region | York Region | general | Covers Aurora, East Gwillimbury, Georgina, King, Markham, Newmarket, Richmond Hill, Vaughan, Whitchurch-Stouffville. | active | 1,428 | ✓ confirmed |
| r/yorku | city-topic | Toronto | university | York University, Toronto — 3rd largest university in Canada. Home to Schulich and Osgoode Hall. | active | 57,909 | ✓ confirmed |