| APIPA | Arizona Physicians Independent Practice Association 
| Others |
| APIPA | Asia Pacific Intellectual Property Association
| Others |
| APIPA | Association of Pacific Island Public Auditors
| Others |
| APIPA | Association of Pacific Islands Public Auditors
| Others |
| APIPA | Automatic Private Internet Protocol Address
| Others |
| APIPA | Automatic Private Internet Protocol Addressing
| Others |
| APIPA | Automatic Private IP Addressing
| Others |