Knight may refer to:
- Arctic Knight
- Black Knight
- Green Knight, member of the Xtreme Justice League
- Knight-Hood, in Saint Petersburg, Florida
- Knight Maiden, based in the UK
- Knight Owl, in Portland
- KnightVigil, in Tampa Bay, Florida
- Knight Warrior, in the UK
- Moon Knight
- Ninja Knight, of the Trillium Guards of Ontario
- Sea Knight, of the California Initiative: SoCal
- Sky Knight, based out of Wichita, Kansas
- Urban Knight in Canada
- Wight Knight, of the Justice Alliance Initiative in the UK
- The League of Urban Knights
- Urban Knights and Ladies, volunteer patrol group in Canada