| Acronym | Definition |
|---|
| WFSA | World Federation of Societies of Anaesthesiologists |
| WFSA | Wildland Fire Situation Analysis |
| WFSA | World Forum on the Future of Sport Shooting Activities |
| WFSA | Welsh Federation of Sea Anglers |
| WFSA | Wildland Fire Leadership Council (est. 2002) |
| WFSA | Wasatch Front Ski Accommodations |
| WFSA | Wilhelm Furtwängler Society of America |
| WFSA | World Federation and Society of Adolescentology |
| WFSA | Women's Foundation of Southern Arizona |
| WFSA | Wessex Film and Sound Archive |
| WFSA | Weighted Finite State Acceptor |
| WFSA | Weighted Finite State Automata |
| WFSA | World Freestyle Skateboarding Association |
| WFSA | World Food and Sustainable Agriculture |
| WFSA | Welsh Football Supporters Association (UK) |
| WFSA | World Freestyle Snowmobiling Association |
| WFSA | Waltham Forest Socialist Alliance (UK) |
| WFSA | Western Financial Services Association |
| WFSA | Winter Fox Ski Association, Inc. (Los Angeles, CA, USA) |
| WFSA | Workflow System Account (Microsoft SharePoint) |
| WFSA | Westbere Frostbite Sailing Association (UK) |
| WFSA | Wuhan Free Software Association |