| Acronym | Definition |
|---|
| IYHA➣Israel Youth Hostel Association |
| IYHA➣Indianapolis Youth Hockey Association (est. 1956; Carmel, IN) |
| IYHA➣Ithaca Youth Hockey Association (Ithaca, NY) |
| IYHA➣Irondale Youth Hockey Association (Minnesota) |
| IYHA➣International Youth Hostels Association |