| Abbreviation | Definition |
|---|---|
| KYT | Kaleidoscope Youth Theater |
| KYT | Kent Youth Theatre |
| KYT | Key Youth Theatre |
| KYT | Kindred Youth Theatre |
| KYT | Kirtland Youth Theatre |
| KYTC | Kent Youth Trial Club |
| L&R | Left and Right |
| LACY | Legal Advocates for Children and Youth |
| LAFTY | Lafayette Area Federation of Temple Youth |
| LAY | Latin American Youth |
| LAYN | Los Angeles Youth Network |
| LAYT | Los Altos Youth Theatre |
| LBY | Lao Baptist Youth |
| LBYE | Louisville Ballet Youth Ensemble |
| LBYL | Long Beach Youth Lacrosse |
| LBYO | Liberty Bell Youth Organization |
| LBYO | Long Beach Youth Orchestra |
| LCYAC | Latah County Youth Advocacy Council (Idaho; youth development group) |
| LCYF | Lake County Youth Football |
| LCYF | Love Children and Youth Foundation |