Subreddits Starting With O

122 subreddits, largest first. Member counts come from the Arctic Shift archive; activity is live.

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SubredditMembersStatus
r/OldSchoolCool18.6M—
r/oddlysatisfying11.9MActive
r/Overwatch6.1MActive
r/OnePiece5.3MActive
r/Outdoors5.1MActive
r/OUTFITS3.3MActive
r/OpenAI2.7MActive
r/options1.3MActive
r/onebag805.7KActive
r/offbeat743.5K—
r/onions503.3KActive
r/oneplus304.1KActive
r/overclocking302.0KActive
r/Oxygennotincluded218.5KActive
r/OtomeIsekai200.8KActive
r/ObsidianMD192.3KActive
r/OLED_Gaming168.9KActive
r/orangecats165.2KActive
r/Office365153.8KActive
r/OldManDog150.2KActive
r/oscarrace139.2KActive
r/oneanddone89.7KActive
r/osx75.1K—
r/OpenChristian70.1KActive
r/oscp67.2KActive
r/onednd49.6KActive
r/Offroad48.9KActive
r/OneTopicAtATime48.6KActive
r/OffGridLiving48.3KActive
r/openttd44.6KActive
r/onegoldenbraincell44.5KActive
r/OnePieceSpoilers42.2KActive
r/offmenupodcast42.2KActive
r/ofcoursethatsasub40.4KActive
r/offerup39.3KActive
r/OffMyChestIndia38.6KActive
r/ONETREEHILL38.5KActive
r/openwrt38.2KActive
r/OneY37.3KEligible
r/openSUSE36.7KActive
r/OneTruthPrevails36.5KActive
r/OctopusEnergy36.4KActive
r/onlinegambling34.8KActive
r/OpenUniversity33.6KActive
r/okcopainattard33.6KActive
r/OneTrueTohsaka33.1KActive
r/onebros32.3KActive
r/OneTrueRem31.7KActive
r/optionstrading31.3KActive
r/OnePieceBrasil31.0KActive
r/opengl30.7KActive
r/OnlineESLTeaching29.4KActive
r/obama29.1K—
r/osureport25.2KActive
r/OneProtectRestAttack23.3KActive
r/offwhite22.8KActive
r/OpenMediaVault22.3KEligible
r/office22.2KActive
r/OpenSeaNFT22.1KActive
r/OffTheGrid22.1KActive
r/oracle22.0K—
r/otaku20.8KActive
r/OfficeLadiesPodcast19.9KActive
r/onepagerules19.8KActive
r/OnePunchManTurkce19.6KEligible
r/openbsd19.6KActive
r/OnePieceCircleJerk19.4KActive
r/OlympiqueLyonnais18.8KActive
r/onexindia18.7KActive
r/onlinejobsforall18.4KActive
r/OnePieceFR18.0KActive
r/Odoo17.7KActive
r/OpenWebVPN17.7KActive
r/opencv17.6KActive
r/openstreetmap17.3KActive
r/opensouls317.3KActive
r/OfflineDay17.1KActive
r/OpenEmu17.0KActive
r/OnlineEducation16.8KActive
r/OpenClawUseCases16.7KActive
r/openmarriageregret16.5KActive
r/OfficeSpeak15.7KActive
r/OnePelotonRealSub15.3KActive
r/onlinesoccermanager14.5KActive
r/OnlineDatingApps14.3KActive
r/onedrive14.2KActive
r/OneTrueEmilia14.0KActive
r/OnlineIncomeHustle13.7KEligible
r/OfficeDepot13.5KActive
r/OneTrueMiia13.4KActive
r/onepagerpgs12.7KActive
r/officialwarzonemobile12.1KEligible
r/OneDayNetflix11.6KActive
r/onesentencehorror11.3KEligible
r/OnePlus7Pro11.2KActive
r/Offwallstreetbets11.2KActive
r/ofcoursetheyknew10.9KActive
r/OfficeDrummer10.7KActive
r/offthegame10.6KActive
r/onlinelifetips10.2KActive
r/OnlineMoneyMaking10.2KEligible
r/OnlineBargains9.4KEligible
r/OffGridProjects8.8KBorderline
r/OnlineJobsatHome8.1KActive
r/OnlineMarketing7.9KActive
r/OfficialTrumpCoin7.9KActive
r/onlinesugardaddies7.8KEligible
r/officehourslive6.2KActive
r/OffRoadTrailer5.7KActive
r/Offroadoutlaws5.6KActive
r/OfficialKonstantin5.4KActive
r/OnlineSurvivor5.2KActive
r/offshorefishing5.0KActive
r/onlineceramics4.7KActive
r/OnlineMCIT4.6KActive
r/onlinepoker4.4KActive
r/onlinejournalism3.3KEligible
r/otakuvs2.2KActive
r/Outfits_moment2.1KEligible
r/onlinecasinoadvisor1.6KEligible
r/outfit_of_the_dad1.4KActive
r/OnlineCasinoBlackjack1.1KBorderline