AUF may refer to:
- Angeles University Foundation, a Catholic university in Angeles City, Philippines
- African Unification Front, an organization promoting African unity
- Agence universitaire de la Francophonie, the international educational organisation
- Recreational Aviation Australia, the Australian governing body for ultra-light aircraft
- Australian Aviation Unions Federation, the federation representing the TWU, ALAEA, AIPA and FAAA Domestic/Regional
- Australian Underwater Federation, the peak body in Australia for underwater sports
- Agent Under Fire, a James Bond video game
- Arbeidernes Ungdomsfylking, the Norwegian democratic socialist youth movement
- Uruguayan Football Association (Spanish: Asociación Uruguaya de Fútbol or AUF)