| APHA | African Professional Hunters Association 
| Others |
| APHA | Alaska Professional Hunters Association
| Others |
| APHA | Alberta Public Health Association
| Others |
| APHA | Alliance of Professional Health Advocates
| Others |
| APHA | American Paint Horse Association
| Others |
| APhA | American Pharmaceutical Association
| Others |
| APhA | American Pharmacists Association
| Others |
| APHA | American Pinto Horse Association
| Others |
| APHA | American Printing History Association
| Others |
| APHA | American Public Health Association
| Others |
| APHA | Animal and Plant Health Agency
| Others |
| APHA | Animal and Plant Health Association
| Others |
| APHA | Animal Plant Health Agency
| Others |
| APHA | Australian Palomino Horse Association
| Others |
| APHA | Australian Private Hospitals Association
| Others |