Fraternity (disambiguation)
- Benefit society
- Brotherhood (disambiguation)
- Chivalric order
- College fraternities and sororities
- Collegiate secret societies in North America
- Fraternal order
- Fraternity (band)
- Fraternity (philosophy)
- Fraternity Records
- Friendly society
- German Student Corps
- Honor society
- List of general fraternities
- List of social fraternities
- List of social sororities and women's fraternities
- Literary society
- Nation (university)
- North American fraternity and sorority housing
- Professional fraternities and sororities
- Religious order
- Secret society
- Service fraternities and sororities
- Social club
- Student society
- Studentenverbindung
- Students' union
- Trade union