LEIF
| Acronym | Definition |
|---|---|
| LEIF | Leif Erikson International Foundation |
| LEIF | Lightweight Enterprise Integration Framework (computer programming; Rogue Wave) |
| LEIF | Lithuanian Environmental Investment Fund (est. 1996; environmental projects) |
| LEIF | Lightweight Extensible Information Framework |
| LEIF | Leaving Early, It's Friday |
| LEIF | Lyric Enhancement Interface Framework (Chyron Corporation) |
| LEIF | Lions Eye Institute Foundation (Lions Eye Institute for Transplant & Research; Tampa, FL) |