| Acronym | Definition |
|---|
| PWCA➣Paragliding World Cup Association (est. 1990) |
| PWCA➣Prince William Conservation Alliance (Woodbridge, VA) |
| PWCA➣Pembroke Welsh Corgi Association (Canada) |
| PWCA➣Personal Watercraft Club of Alaska (Anchorage, AK) |
| PWCA➣Park West Community Association (Chantilly, VA) |
| PWCA➣Pure White Cell Aplasia |