Subreddits Starting With U

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

a b c d e f g h i j k l m n o p q r s t u v w x y z 0-9

Subreddit	Members	Last post	Status
r/UpliftingNews	20.4M	—	Active
r/Unexpected	11.4M	1 month ago	Borderline
r/unpopularopinion	4.9M	—	Active
r/UnresolvedMysteries	4.4M	1 month ago	Borderline
r/urbanexploration	2.2M	—	Active
r/UKPersonalFinance	1.8M	—	Active
r/UrbanHell	1.4M	1 month ago	Borderline
r/Ultralight	898.0K	—	Active
r/unixporn	634.1K	—	Active
r/UnsolvedMysteries	511.7K	1 month ago	Borderline
r/Unity3D	462.1K	—	Active
r/unrealengine	266.7K	1 month ago	Borderline
r/Ubuntu	241.1K	1 month ago	Borderline
r/UniUK	224.8K	1 month ago	Borderline
r/UKFrugal	161.0K	—	Active
r/Ultramarathon	141.0K	1 month ago	Borderline
r/UIUC	122.9K	—	Active
r/ucla	114.3K	—	Active
r/Upwork	101.4K	1 month ago	Borderline
r/ukulele	89.1K	1 month ago	Borderline
r/unRAID	87.3K	1 month ago	Borderline
r/unimelb	56.8K	—	Active
r/USP	47.9K	—	Active
r/underdogfantasy	46.9K	—	Active
r/UsedCars	44.6K	—	Active
r/usmle	44.2K	—	Active
r/UsefulCharts	41.8K	—	Active
r/usps_complaints	41.4K	—	Active
r/usanews	40.0K	—	Active
r/Unitale	39.9K	—	Active
r/UsenetInvites	39.8K	—	Active
r/usefulredcircle	38.0K	—	Active
r/unitedstatesofamerica	37.6K	—	Active
r/UsbCHardware	36.6K	—	Active
r/UnitedNations	36.2K	—	Active
r/uspolitics	35.9K	—	Active
r/uselessnobody	34.5K	—	Active
r/usmnt	34.3K	—	Active
r/usefulscripts	33.0K	—	Active
r/usernamefamily	32.8K	—	Active
r/USAA	31.1K	—	Active
r/USNEWS	30.7K	—	Active
r/ussr	30.0K	—	Active
r/USMCboot	29.6K	—	Active
r/usyd	28.1K	—	Active
r/USF	28.0K	—	Active
r/usertesting	27.7K	—	Active
r/uscg	27.4K	—	Active
r/ukfinance	25.1K	—	Active
r/USWNT	24.8K	—	Active
r/UnityAssets	24.5K	—	Active
r/usvisascheduling	24.4K	—	Active
r/UserExperienceDesign	22.4K	—	Active
r/USMobile	22.0K	—	Active
r/UndertaleYellow	21.7K	—	Active
r/uscanadaborder	20.3K	—	Active
r/uichicago	16.3K	—	Active
r/UGCcreators	16.0K	—	Active
r/UTsnow	15.8K	—	Active
r/UNITINU	14.3K	—	Active
r/UndertaleMemesReddit	12.7K	—	Active
r/UnitedFootballLeague	11.7K	—	Active
r/UIUX	10.8K	—	Active
r/UnitedAssociation	9.7K	—	Active
r/Uniteagainsttheright	9.0K	—	Active
r/UserOrInfluencer	9.0K	—	Active
r/uiowa	8.4K	—	Active
r/ukstartups	8.0K	—	Active
r/UnitarianUniversalist	7.3K	—	Active
r/UiPath	7.3K	—	Active
r/username	6.9K	—	Active
r/uidesign	6.7K	—	Active
r/UndertaleAU	5.6K	—	Active
r/userscripts	5.0K	—	Active
r/UnitedNames	4.3K	—	Borderline
r/UnitedKingdomEvents	4.1K	—	Active
r/UniversityOfLondonCS	4.0K	—	Active
r/UIUC_MCS	3.9K	—	Active
r/UIC	3.7K	—	Active
r/Underrated_GuP	3.6K	—	Active
r/UnitedRugbyChamp	3.6K	—	Active
r/UnitedKingdomPolls	3.6K	—	Active
r/UnitedKingdomPolitics	3.3K	—	Active
r/UnreleasedGames	3.0K	—	Active
r/UnitedWorldCollege	2.7K	—	Active
r/UndertaleMusic	2.7K	—	Active
r/UpCloseCatPictures	2.3K	—	Active
r/UnitedStatesForums	2.1K	—	Active
r/uirigame	2.0K	—	Active
r/UnitedMasters	2.0K	—	Active
r/UnitedAmericaHQ	1.8K	—	Active
r/UIUC_CS	1.7K	—	Active
r/UnityHelp	1.7K	—	Active
r/unitedaviateacademy	1.7K	2 months ago	Eligible
r/Unity3d_help	1.6K	—	Borderline
r/UnofficialRailroader	1.5K	—	Active
r/unitystation	1.4K	5 months ago	Eligible
r/UnitedHealthIsEvil	1.3K	—	Active
r/userflairchecksout	1.1K	5 months ago	Eligible
r/usernamedontchecksout	1.0K	—	Active