WYO
| Acronym | Definition |
|---|---|
| WYO | Wyoming (old style) |
| WYO | Write Your Own |
| WYO | World Youth Organization (est. 2012) |
| WYO | World Youth Orchestra (est. 2001) |
| WYO | Wellington Youth Orchestra (Wellington, New Zealand) |
| WYO | Winnetka Youth Organization (est. 1966; Winnetka, IL) |
| WYO | Westmount Youth Orchestra (Canada) |