LII
| Acronym | Definition |
|---|---|
| LII | Legal Information Institute (Cornell Law School) |
| LII | Librarians' Index to the Internet |
| LII | Librarians' Internet Index (US Institute of Museum and Library Services) |
| LII | Legal Information Institute |
| LII | Laser-Induced Incandescence |
| LII | Lennox Industries, Inc. (Lennox International; heating, cooling and refrigeration) |
| LII | Lietuvos Istorijos Instituto (Lithuanian: Lithuanian Institute of History) |
| LII | Leaders Identification Insignia (US Army) |