| Abbreviation | Definition |
|---|---|
| LASG | Legal Alliance to Stop Geoengineering |
| LASTRA | Los Angeles Short Term Rental Alliance |
| LAWDA | Land Air Water Defense Alliance |
| LAWS | Lawyers Alliance for World Security |
| LBAA | Laguna Beach Alliance for the Arts |
| LBAA | Life Balance Advisory Alliance |
| LBAC | Long Beach Alliance Church |
| LBLA | London Boroughs Legal Alliance |
| LCA | Library Copyright Alliance |
| LCERA | Lapeer County Equal Rights Alliance |
| LCSA | Lancaster County STEM Alliance |
| LDAA | Liverpool Dementia Action Alliance |
| LDAS | Learning Disability Alliance Scotland |
| LEA | Leading Edge Alliance |
| LEAPS | Law Enforcement Alliance for Peer Support |
| LENA | Leading European Newspaper Alliance |
| LFA | Learning First Alliance |
| LFA | Legacy Fighting Alliance |
| LFA | Living Faith Alliance |
| LFFA | Lower Fraser Fisheries Alliance |