| Abbreviation | Definition |
|---|---|
| JUDY | Junior Undercover Digital Youth |
| JYA | Jacksonville Youth Academy |
| JYA | Jenkintown Youth Activities |
| JYA | Julian Youth Academy |
| JYA | Junior Youth Assembly |
| JYA | Justin Youth Association |
| JYB | Jenks Youth Baseball |
| JYB | Johannesburg Youth Ballet |
| JYBA | Jackson Youth Basketball Association |
| JYBA | Jasper Youth Baseball Association |
| JYBA | Joplin Youth Basketball Association |
| JYC | Jewish Youth Connection |
| JYC | Johnson Youth Center |
| JYC | Junior Youth Connection |
| JYF | Jewish Youth Fund |
| JYFI | Jefferson Youth Foundation Inc |
| JYIP | Junior Youth Inclusion Project |
| JYL | Jamestown Youth League |
| JYL | Japantown Youth Leaders |
| JYLO | Jewish Youth Library of Ottawa (Canada) |