| Acronym | Definition |
|---|
| WRSA | Western Regional Science Association |
| WRSA | World Rabbit Science Association |
| WRSA | Western Returned Scholars Association |
| WRSA | White Rumped Sandpiper (Calidris fuscicollis) |
| WRSA | War Reserve Stock for Allies |
| WRSA | Western Rifle Shooters Association |
| WRSA | Western Railway Supervisors Association (El Paso, TX) |
| WRSA | Water Resources Situation Assessment |
| WRSA | Western Region Surfing Association |
| WRSA | Work Related Skills and Assessment |
| WRSA | West River Sports Association (Londonderry, VT) |
| WRSA | Wide-band Rectangular Slot Antenna |
| WRSA | Western Region Sustainable Agriculture |
| WRSA | Warning: Recolored Sprites Ahead (web comic) |