| Abbreviation | Definition |
|---|---|
| HYC | Healthy Youth Coalition |
| HYC | Heartland Youth Choir |
| HYC | Heights Youth Club |
| HYC | Helpline Youth Counseling |
| HYC | Hillcrest Youth Center |
| HYC | Holiday Youth Convention |
| HYC | Holiness Youth Camp |
| HYC | Homeless Youth Connection |
| HYC | HOPE Youth Corps |
| HYC | Hopkinton Youth Commission |
| HYCC | Hawaii Youth Conservation Corps |
| HYCC | Hawthorne Youth and Community Center |
| HYDT | Healthy Youth Development Team |
| HYE | Highlands Youth Ensemble |
| HYE | Homenetmen Youth Events |
| HYF | Haryana youth federation |
| HYF | Henley Youth Festival |
| HYG | Hyper Youth Gaming |
| HYH | Haris Youth Hostel |
| HYH | Hingham Youth Hockey |