| Abbreviation | Definition |
|---|---|
| LRBA | Little River Baptist Association |
| LRBA | Long Run Baptist Association |
| LRBT | Local Resource Based Technology |
| LRF | Laogai Research Foundation |
| LRF | Lymphoma Research Foundation |
| LRFA | Latvian Relief Fund of America |
| LRV | London Refugee Voice |
| LS&ESSI | Lightning Strike & Electric Shock Survivors International |
| LSC | Limited Service Campaign |
| LSEM | Legal Services of Eastern Michigan |
| LSFS | Lone Star Film Society |
| LSHP | Louisiana Society of Hospital Pharmacists |
| LSN | Landmine Survivors Network |
| LSNM | Legal Services of Northern Michigan |
| LSNMI | Legal Services of Northern Michigan, Inc. |
| LSNMI | Legal Services of Northern Michigan, Incorporated |
| LSPV | Loveland Senior Police Volunteers (Colorado) |
| LSS | Lutheran Senior Services |
| LSSCM | Legal Services of South Central Michigan |
| LSSC-MI | Legal Services of South Central Michigan |