| Acronym | Definition |
|---|
| YDA➣Yesterday |
| YDA➣Young Democrats of America |
| YDA➣Youth Development Academy |
| YDA➣Youth Development Associate (various organizations) |
| YDA➣Yugioh Duelist Arena (gaming chat) |
| YDA➣Yorkshire District Association (UK) |
| YDA➣Youth Delegate Application (summer camp; various locations) |