WIFF or wiff may refer to:
People Biff Wiff (1956–2025), American actor Donald Ray Wiff, an American physicist Bill Hunt (alpine skier), also known as Wiff Hunt
Radio WIFF (FM), a radio station (90.1 FM) licensed to serve Windsor, New York, United States WGBJ, a radio station (102.3 FM ) licensed to serve Auburn, Indiana, United States, which held the call sign WIFF-FM from 1967 to 1995 WGLL, a radio station (1570 AM) licensed to serve Auburn, which held the call sign WIFF from 1967 until 1997
Other Wiff, to strike-out, the name origin for the sport of Wiffle ball Walthamstow International Film Festival Windsor International Film Festival .wiff, a file format used by Analyst mass spectrometry software
See also Whiff (disambiguation) wiff-waff, a nickname for ping-pong