| Acronym | Definition |
|---|
| SYO➣Sydney Youth Orchestra |
| SYO➣Stuff Your Own |
| SYO➣Suffolk Youth Orchestra (UK) |
| SYO➣South Yorkshire Orienteers (UK) |
| SYO➣Shonai, Japan - Shonai (Airport Code) |
| SYO➣Saskatoon Youth Orchestra (Canada) |
| SYO➣Smoke You Out |
| SYO➣See You Online (chat) |