| Abbreviation | Definition |
|---|---|
| JYM | Johia Youth Ministry |
| JYN | Jewish Youth Network |
| JYOTI | Jamshedpur Youth Organization for Tomorrows India |
| JYS | Juneau Youth Services |
| JYT | Journal of Youth and Theology |
| KAFY | Kitimat Arts For Youth |
| KAYAK | Kommunity and Youth Art Konsortium |
| KEY | Kids Enjoying Youth |
| KEY | Kinesthetically Enriching Youth |
| KEY | Kiwanis Educate Youth |
| KEY | Kiwanis Educating Youth |
| KEY | Knowledge Enrichment and Youth |
| KEYA | Keep Empowering Youth Achievements |
| KEYS | Keweenaw Empowering Youth Strengths |
| KEYS | Kingston Employment Youth Services |
| KEYS | The Knowledge To Empower Youth To Success |
| KHYF | King Harbor Youth Foundation |
| KIY | Kimberley Indigenous Youth |
| KPY | Kings Park Youth |
| KSC | Knowledge Sharing Center |