WBSA
| Acronym | Definition |
|---|---|
| WBSA | Wider Black Sea Area |
| WBSA | World Business Strategist Association (est. 1998) |
| WBSA | Western Boarding Schools Association (preparatory schools) |
| WBSA | What the Bible Says About |
| WBSA | Wilton Baseball and Softball Association (est. 1995; Wilton, CT) |
| WBSA | Warner Bros.-Seven Arts (production company) |