Liff or LIFF may refer to:
People with the family name Biff Liff (1919-2015), Tony Award-winning American Broadway manager and producer. Vincent Liff (1915-2003), American film director from West Hartford, Connecticut.
Other Liff, Angus, village in Scotland The Meaning of Liff, a book by Douglas Adams and John Lloyd
LIFF as abbreviation Ladakh International Film Festival, India Layered Image File Format Leeds International Film Festival, West Yorkshire, England Leiden International Film Festival, The Netherlands Ljubljana International Film Festival, Slovenia London Independent Film Festival, London, England