| Abbreviation | Definition |
|---|---|
| LYA | Lumberton Youth Association |
| LYB | Laguna Youth Baseball |
| LYB | Lebanon Youth Baseball |
| LYC | Law Youth and Citizenship |
| LYC | Legacy Youth Conference |
| LYC | Local Youth Council |
| LYC | Lutheran Youth for Christ |
| LYDC | Ludus Youth Dance Company |
| LYE | Leelanau Youth Ensemble |
| LYE | Lutheran Youth Encounter |
| LYEP | Liberia Youth Employment Program |
| LYEP | Liberian Youth Employment Programme |
| LYEP | Livingston Youth Employment Program |
| LYF | Leading Youth Forward |
| LYF | Lutheran Youth Fellowship |
| LYFC | Lakeside Youth Football and Cheer |
| LYFC | Lamwo Youth Forum for Change |
| LYFC | Leatherhead Youth Football Club |
| LYFC | Lenox Youth Football Club |
| LYFC | Leroy Youth Football and Cheer |