| Acronym | Definition |
|---|
| PHAA➣Provincial Health Authorities of Alberta (employer bargaining group; Canada) |
| PHAA➣Paint Horse Association of Australia (New South Wales, Australia) |
| PHAA➣President to Hold Another Office Act (Paksitan) |
| PHAA➣Pleasant Hill Adventist Academy (Pleasant Hill, California) |
| PHAA➣Pritikin Health Association of Australia |
| PHAA➣Pencader Heritage Area Association (Newark, Delaware) |
| PHAA➣Airman Apprentice, Photographer's Mate Striker (Naval Rating) |