TIFF is an acronym for Tagged Image File Format, a file format for storing images.

Tiff or TIFF may also refer to:

Film festivals
 Tagore International Film Festival, held in Kolkata, India, since 2017
 Tbilisi International Film Festival, held in Tbilisi, Georgia, since 2000
 Thessaloniki International Film Festival, held in Thessaloniki, Greece, since 1960
 Tigerland India Film Festival, held in India, since 2014
 Tokyo International Film Festival, held in Tokyo, Japan, since 1985
 Toronto International Film Festival, held in Toronto, Canada, since 1976
 Transilvania International Film Festival, held in Cluj-Napoca, Romania, since 2001
 Tromsø International Film Festival, held in Tromsø, Norway, since 1991

People

Given name or nickname
 Tiff Joy, stage name of American gospel singer Tiffany Joy McGhee (born 1986)
 Tiff Lacey (born 1985), British singer
 Tiff Macklem (born 1961), Canadian banker and Governor of the Bank of Canada
 Tiff Needell (born 1951), British racing driver and television presenter
 Timothy Findley (1930–2002), Canadian novelist and playwright nicknamed "Tiff"

Surname
 Milan Tiff (born 1949), American track and field athlete

Places
 Tiff, Missouri, an unincorporated community in Washington County, Missouri, U.S.
 Tiff City, Missouri, an unincorporated community in McDonald County, Missouri, U.S.

Other uses
 Baryte, or tiff, a mineral consisting of barium sulfate
 "Tiff" (song), a 2013 song by Simi
 Tiff, a character in the Kirby franchise
 Tooth interior fatigue fracture (TIFF), a type of gear failure

See also
 TIF (disambiguation)
 TIFFE (disambiguation)
 Tifi (disambiguation)
 Tiffs, a nickname for branch badges worn by the British Royal Navy

Nicknames
Hypocorisms