| Acronym | Definition |
|---|
| LIF | Lifetime (Cable Network) |
| LIF | Leukemia-Inhibitory Factor |
| LIF | Laser Induced Fluorescence |
| LIF | Life Income Fund (Canadian retirement plan) |
| LIF | Logical Interface |
| LIF | Leukemia Inhibitory Factor |
| LIF | Läkemedelsindustriföreningen (Sweden) |
| LIF | Libertad, Igualdad, Fraternidad (Spanish: Liberty, Equality, Fraternity) |
| LIF | Low Impact Forestry |
| LIF | Low Income Family (Medicaid program) |
| LIF | Logical Interchange Format |
| LIF | Low Insertion Force |
| LIF | Latino Issues Forum |
| LIF | Logical Interchange Format (floppy disk file system format) |
| LIF | Location Interoperability Forum |
| LIF | Left Iliac Fossa |
| LIF | Light Interference Filter |
| LIF | Lipizzan International Federation |
| LIF | Logistics Intelligence File |
| LIF | Lighting Industry Federation Ltd. |
| LIF | Link Independent Format (General Dynamics UK) |
| LIF | Learning Innovations Forum |
| LIF | Laegemiddel Industri Foreningen (Denmark) |
| LIF | Locked-in Income Fund (Canada) |
| LIF | Linear Information Flow |
| LIF | Layaway of Industrial Facilities |
| LIF | Leksands Idrottsförening (Swedish Ice Hockey Club) |
| LIF | LOGMOD Information File |
| LIF | Loss Indication Filter (multicasting) |
| LIF | Lorentz Inertial Frame |