| Abbreviation | Definition |
|---|---|
| LFC | Livingston Family Center |
| LFCC | Local Federal Coordinating Committee |
| LFF | Libraries For the Future |
| LFI | Labour Friends of Israel |
| LFL | Lutherans For Life |
| LFRR | Lupus Family Registry and Repository |
| LFS | Littlest Fifi System |
| LFTCI | Let's Face The Challenges Initiatives |
| LFTSC | Leiston Film Theatre Support Club |
| LGBT | Lesbian,Gay,Bisexual and Transgender |
| LGSM | Lesbians and Gays Support the Miners |
| LGTU | London Gypsy Traveler Unit |
| LGTU | London Gypsy & Traveler Unit |
| LGVC | Long Green Valley Conservancy |
| LHH | Laguna Honda Hospital |
| LHI | Latin American Health Institute |
| LHI | Latino Health Institute |
| LHR | Loyalty, Honor, Respect |
| LHR | Loyalty, Honor, & Respect |
| LIAC | Long Island Advocacy Center, Inc. |