WTBA
| Acronym | Definition |
|---|---|
| WTBA | World Tenpin Bowling Association |
| WTBA | Where the Boys Aren't (adult film series) |
| WTBA | Wisconsin Transportation Builders Association (Madison, WI) |
| WTBA | World Taiji Boxing Association |
| WTBA | Washington Thoroughbred Breeders Association (est. 1940; horse breeding; Washington) |
| WTBA | Winslow Township Basketball Association (New Jersey) |