TUF

TUF may refer to:

• Tenant Union Federation
• Transformer utilization factor
• Transcript of unknown function
• The Ultimate Fighter, a reality television series
• The Update Framework, a secure software update framework
• Tours Loire Valley Airport, Tours, France (IATA airport code: TUF)
• The Unforgettable Fire, an album by Irish rock band U2
• "The Unforgettable Fire" (song), a song from the album above
• "The Ultimate Fling", a song by Finnish rock band Poets of the Fall
• The United Force, a Guyanese political party
• Time-utility function, a mean for real time computing
• Asus TUF (The Ultimate Force), an ASUS brand for affordable, mid-range and low-end gaming products
• The Unifying Force, a Star Wars novel written by James Luceno
• The University of Faisalabad, a private university in Pakistan
• TV-U Fukushima, a commercial broadcaster in Japan