| Abbreviation | Definition |
|---|---|
| FYHP | Fettercairn Youth Horse Project |
| FYHP | Framingham Youth Hockey Program |
| FYI | Family and Youth Institute |
| FYI | Family Youth Interventions |
| FYI | Fostering Youth Independence |
| FYI | Fuller Youth Institute |
| FYIP | Family and Youth Intervention Program |
| FYL | Fairfield Youth Lacrosse |
| FYL | Foxboro Youth Lacrosse |
| FYL | Friends of the Youth League |
| FYLA | Florida Youth Leaders Association |
| FYLA | Florida Youth Leadership Academy |
| FYLL | Fauquier Youth Lacrosse League |
| FYLP | Fayete Youth Leaders Pride |
| FYM | Franciscan Youth Ministry |
| FYND | Fast Youth Network Development |
| FYPD | Florida Youth Prevention Delegation |
| FYPD | Foundation for Youth Peace and Development |
| FYPL | Flow Youth Pro League |
| FYR | Fusion Youth Radio |