| Abbreviation | Definition |
|---|---|
| LGSA | Latino Graduate Student Alliance |
| LGSA | Lesbian Gay Straight Alliance |
| LHMA | Laurel Highlands Mathematics Alliance |
| LHMA | Little Havana Merchant Alliance |
| LIAA | Long Island Arts Alliance |
| LIBA | Louisville Independent Business Alliance |
| LICA | Long Island Capital Alliance |
| LICA | Long Island Composers Alliance |
| LICCA | Long Island City Cultural Alliance |
| LMAA | La Mesa Arts Alliance |
| LMDA | Lake Mainit Development Alliance |
| LMIA | Local Media Innovation Alliance |
| LMVCA | Let My Vote Count Alliance |
| LNA | Lakeshore Nonprofit Alliance |
| LNCA | Lincoln Neighborhood Community Alliance |
| LOWA | Lake of the Ozarks Watershed Alliance |
| LPAA | Lost Pines Artisans Alliance |
| LPWA | Light Painting World Alliance |
| LRPA | Lowell Regional Physics Alliance |
| LSA | Latinx Student Alliance |