The term WIF or WiF may refer to:
ISO 639:wif or Wik-Me'nh is a Paman language of the Cape York Peninsula of Queensland, Australia Mercenaries 2: World in Flames, video game Water in Fuel Sensor, a type of water sensor Water immersion facility, a neutral buoyancy pool used for the Gemini and Apollo space programs Web Impact Factor, in webometrics West Indies Federation, a former federation of British Caribbean colonies WIF 933 or Widerøe Flight 933, a 1982 plane crash in the Barents Sea near Gamvik, Norway WIF domain, a protein domain WIF1, a lipid-binding protein Windows Identity Foundation, authentication software technology by Microsoft Women in Focus, a Canadian feminist film organization World Investment Forum, a United Nations Conference on Trade and Development (UNCTAD) Division on Investment and Enterprise