UFF or Uff may refer to:
Paramilitaries
- Uganda Freedom Fighters, a faction in the Bush War
- Ulster Freedom Fighters, a loyalist faction in Northern Ireland
- United Freedom Front, an American left-wing group
Science and technology
- Universal File Format, in computer-aided test software
- Universal force field, in chemical modelling
Sport
- Uzbekistan Football Federation
- Team UFF, a Brazilian cycling team
Other uses
- Uff!, a Venezuelan boy band
- , a university in Brazil
- UltraFast Fibre, a New Zealand Ultra-Fast Broadband firm
- , a Danish humanitarian project
See also
- Uffie (born 1987), American musician