| Abbreviation | Definition |
|---|---|
| LYFC | Lexington Youth Football and Cheerleading |
| LYFC | Lynnfield Youth Football and Cheerleading |
| LYFE | Linwood Youth Festival Experience |
| LYFE | Lutheran Youth and Family Engagement |
| LYG | London Youth Games |
| LYG | Louisville Youth Group |
| LYH | Lagos Youth Hostel |
| LYH | Lions Youth Haven |
| LYI | Legacy Youth Institute |
| LYI | Lents Youth Initiative |
| LYI | Liberating Youth Inc |
| LYI | Loudoun Youth Initiative |
| LYLA | Lexington Youth Lacrosse Association |
| LYLA | Londonderry Youth Lacrosse Association |
| LYLC | LatiNola Youth Leadership Council |
| LYLC | Local Youth Leadership Council |
| LYM | LaRouche Youth Movement |
| LYM | Lasallian Youth Ministry |
| LYM | Liberty Youth Ministries |
| LYMO | Louisiana Youth Ministry Organization |