| Acronym | Definition |
|---|
| GYA➣Global Young Academy (est. 2010) |
| GYA➣Greater Yellowstone Area |
| GYA➣Gulf Yachting Association |
| GYA➣Guyana Airways (ICAO code) |
| GYA➣Green Youth Alliance |
| GYA➣Global Youth Action (UK) |
| GYA➣German Youth Activity |
| GYA➣Glendale Youth Alliance, Inc. (est. 1994; Glendale, CA) |