Federation (disambiguation)
- American Federation of Labor
- American Federation of Labor-Congress of Industrial Organizations
- Arab Federation of Iraq and Jordan
- Badminton World Federation
- Balkan Federation
- Battle Garegga
- Earth Federation (Gundam)
- Federal (disambiguation)
- Federal Union (disambiguation)
- Federalism (disambiguation)
- Federalist (disambiguation)
- Federated (disambiguation)
- Federation (information technology)
- Federation (miniseries)
- Federation (novel)
- Federation Bells
- Federation Council, New South Wales
- Federation II
- Federation architecture
- Federation of Arab Emirates of the South
- Federation of Arab Republics
- Federation of Australia
- Federation of Bosnia and Herzegovina
- Federation of Damanhur
- Federation of Ethiopia and Eritrea
- Federation of International Football Associations
- Federation of Malaya
- Federation of Nigeria
- Federation of Rhodesia and Nyasaland
- Federation of South Arabia
- Galactic Federation (Metroid)
- Galactic Federation (disambiguation)
- International Basketball Federation
- Latin America
- Mali Federation
- Non-governmental federation
- Planned Parenthood Federation of America
- Russian Federation
- School federation (England and Wales)
- Solidarity Federation
- Sports federation
- Terran Federation (Starship Troopers)
- The Curse of Peladon
- The Federation (Shannara)
- The Federation (band)
- The Federation (disambiguation)
- The Monster of Peladon
- Trade Federation
- United Federation of Planets
- WS-Federation
- WWE Federation Champion
- West Indies Federation
- World Chess Federation
- World Federation of Exchanges
- World Wrestling Federation Entertainment