| Acronym | Definition |
|---|
| WIO➣World-Information.Org |
| WIO➣Western Indian Ocean |
| WIO➣Who Is Online |
| WIO➣Workforce Investment Office (various locations) |
| WIO➣Walk It Out |
| WIO➣Whip It Out |
| WIO➣Wärtsilä Industrial Operations (Helsinki, Finland) |
| WIO➣World Interact Organization |
| WIO➣Wireless Intranet Office (network technology) |