LIF
LIF, LiF or Lif may refer to:
Music
- "Lif" (song), a 2022 song by SCH
 - Mr. Lif (Jeffrey Haynes), a rapper
 - "Lif", the last track on Horse the Band's album A Natural Death
 - "Líf", a song by Hildur Vala Einarsdóttir
 
Science
- Leukemia inhibitory factor, a cytokine that affects cell growth and development
 - Laser-induced fluorescence, a spectroscopic method
 - Low insertion force sockets
 - Lithium fluoride, a chemical compound used for windows, prisms, and lenses from vacuum UV to near IR range
 - Left Iliac fossa, a part of human and primate anatomy
 - Local inertial frame, a concept in general relativity
 
Other uses
- Liquid Impact Forming, metalworking process
 - Liberal Forum, a former Austrian political party
 - Life Income Fund, is registered retirement savings vehicle used in Canada, particularly for funds transferred from employer pension plans. A LIF is used to draw retirement income from funds.
 - Leirvík ÍF (LÍF Leirvík) a Faroese football club
 - Lif Island, an island of Papua New Guinea
 - Líf and Lífþrasir, characters from Norse mythology
 - Lughat al-Ishārā al-Filisṭīniyya (LIF), the Modern Standard Arabic name for Palestinian Levantine Sign