| APIP | Accessible Portable Item Protocol 
| Others |
| APIP | Adobe Product Improvement Program
| Others |
| APIP | Advanced Placement Incentive Program
| Others |
| APIP | Aircraft Production Inspection Program
| Others |
| APIP | Alaska Partnership for Infrastructure Protection
| Others |
| APIP | Alliant Property Insurance Program
| Others |
| APIP | Annual Parent Information Packet
| Others |
| APIP | Another Pairing Implementation in PARI
| Others |
| APIP | Aquatic Park Improvement Program
| Others |
| APIP | Asia Pacific Information Platform
| Others |
| APIP | Asia Pacific Infrastructure Partnership
| Others |
| APIP | Asia Pacific Investment Partners
| Others |
| APIP | Association of Personal Insolvency Practitioners
| Others |
| APIP | Association of Professional Inventory Providers
| Others |
| APIP | Atomic Processes in Plasmas
| Others |
| APIP | Australian Power Industry Partners
| Others |
| APIP | Available Purchase Impression Percentage
| Others |