| Abbreviation | Definition |
|---|---|
| EYS | East Youth Services |
| EYS | Education And Youth Services |
| EYS | Education Youth Service |
| EYT | Elgin Young Team |
| EYT | Elite Youth Tour |
| EYT | English Youth Theatre |
| EYY | European Year of Youth |
| FANCY | Focused And Naturally Confident Youth |
| FAYA | Forum for Awareness and Youth Activity |
| FAYM | Federation of African Youth Movements |
| FAYM | Fellowship of Adults in Youth Ministry |
| FBY | Faith Baptist Youth |
| FCYF | Fair Children Youth Foundation |
| FCYF | Finnish Children and Youth Foundation |
| FCYF | First Class Youth Football |
| FCYF | Ford City Youth Football |
| FCYF | Free Church Youth Fellowship |
| FDYP | Four Directions Youth Project |
| FEFY | Flight Experience for Youth |
| FEYO | Festival of European Youth Orchestras |