| 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) |