| Abbreviation | Definition |
|---|---|
| TYFS | Tahoe Youth and Family Services |
| TYFS | Tahoe Youth Family Services |
| TYGA | Tarheel Youth Golf Association |
| TYI | Territorial Youth Institute |
| TYIA | Think Youth Independent Association |
| TYL | Tamil Youth League |
| TYLP | Tibetan Youth Leadership Program |
| TYM | tal Youth Ministry |
| TYM | Today's Youth Matter |
| TYME | Trans Youth Meet to Empower |
| TYMP | Trans Youth Mentorship Program |
| TYO | Tallahassee Youth Orchestras |
| TYO | Tamil Youth Organisation |
| TYO | Tamil Youth Organization |
| TYO | Tasmanian Youth Orchestra |
| TYO | Tomorrows Youth Organization |
| TYO | Tomorrow's Youth Organization |
| TYO | Transforming Youth Outdoors |
| TYP | The Youth Project |
| TYP | Tribal Youth |