| Abbreviation | Definition |
|---|---|
| LOM | Leaving overrated movies |
| LQ | Lovers Quarrel |
| LRWZ | Le Rhetorical WizardZ |
| LRY | Liberal Religious Youth |
| LSYF | Lighthouse Sanctuary Youth Foundation (Georgia) |
| LSYFA | Lone Star Youth Football Alliance |
| LTNF | Leadership Together Never Fails |
| LTYA | Lake Travis Youth Association |
| LTYC | Leaders of Tomorrow Youth Center |
| LTYC | Leaders of Tomorrow Youth Ctr |
| LUCKY | Lively United Church Kids And Youth |
| LUCY | Lifting Up Camden Youth |
| LUCY | Lives of Urban Children and Youth |
| LUYAA | Linganore Urbana Youth Athletic Association |
| LVBS | Laughing But Very Serious |
| LY | Labor Youth |
| LYA | Lawrenceville Youth |
| LYA | Lawrenceville Youth Association |
| LYA | Lee Youth Association |
| LYA | Lionville Youth Association |