| Acronym | Definition |
|---|
| WHSA➣White Sands National Monument (US National Park Service) |
| WHSA➣Workplace Health and Safety Act 1995 (Australia) |
| WHSA➣Watchung Hills Soccer Association (New Jersey) |
| WHSA➣Wisconsin Head Start Association |
| WHSA➣Whiteface High School Alumni |
| WHSA➣Workplace Health and Safety Agency (Canada) |
| WHSA➣Wisconsin Health Security Act |
| WHSA➣Wadsworth Hall Student Association (Houghton, MI) |
| WHSA➣Worldwide Hellenic Student Associations |
| WHSA➣Woods Hole Science Aquarium |
| WHSA➣Waler Horse Society of Australia Inc. (Australia) |
| WHSA➣Wellington Home Schoolers Association (New Zealand) |
| WHSA➣Wimbledon High School Parents Association (UK) |
| WHSA➣White Salmon |
| WHSA➣World Hope South Africa |
| WHSA➣Wyoming Head Start Association (Laramie, WY) |
| WHSA➣Welsh Harp Sailing Association (UK) |
| WHSA➣Workshop on Hybrid Systems and Applications |
| WHSA➣White Hat Security Arsenal |
| WHSA➣Weapons Head Support Assembly |
| WHSA➣Wimbledon High School Association |
| WHSA➣World Hakka Sibling Assemblage |
| WHSA➣Weakly-Hard System Scheduling Algorithm (computing) |
| WHSA➣Wholistic Health Sciences Australia |
| WHSA➣Weaverham High School Association (UK) |
| WHSA➣Worker Healthcare Security Act |
| WHSA➣Willow Herb Salix Alba |
| WHSA➣Windsor Historic Sites Association (Canada) |
| WHSA➣Welwyn Hatfield Sports Alliance (UK) |
| WHSA➣Woolmer Hill Sports Association (UK) |
| WHSA➣Workplace Health and Safety Association |
| WHSA➣Wooden Half Subassembly |
| WHSA➣Western High School Alumni (Sheffield, Illinois) |
| WHSA➣Whetstone Savannah |
| WHSA➣Washington Head Start Association |
| WHSA➣White House Social Aide (program) |
| WHSA➣West Home School Association (Plymouth, MA) |
| WHSA➣Washington Health Services Act of 1993 |
| WHSA➣Warninglid Home and School Association (UK) |