| Acronym | Meaning |
| AIP | Abbreviated Implementation Plan |
| AIP | Access Improvement Program (Act Health Australia) |
| AIP | Accuracy Improvement Program |
| AIP | Acquisition Improvement Program |
| AIP | Acquisition Intern Program |
| AIP | Acquisition Investment Plan |
| AIP | Acquisition of Immovable Property |
| AIP | Adaptive Internet Presence |
| AIP | Additions in Progress |
| AIP | Advanced Industrial Practices |
| AIP | Aeronautical Information Publication |
| AIP | Aerothermal Instrumentation Package |
| AIP | Agreement in Principle |
| AIP | Air Independent Power |
| AIP | Aircraft Improvement Program |
| AIP | Airport Improvement Program |
| AIP | All Injury Program |
| AIP | Allied Intelligence Publication |
| AIP | Alternatives to Incarceration Program |
| AIP | Annual Implementation Plan |
| AIP | Approval in Principle |
| AIP | Archival Information Package |
| AIP | Arctic Investigations Program |
| AIP | Army Implementation Plan |
| AIP | Arterial Improvement Program |
| AIP | ASARS Improvement Program |
| AIP | Assembly Integration Panel |
| AIP | Assignment Incentive Pay |
| AIP | Assurance and Improvement Plan (UK) |
| AIP | Assurance Implementation Plan |
| AIP | ASUW Improvement Program |
| AIP | ASW (Anti-Surface Warfare) Improvement Program (P-3C aircraft) |
| AIP | Australia-Indonesia Partnership |
| AIP | Autism Intervention Program (Ontario, Canada) |
| AIP | AUTODIN Improvement Program |
| AIP | Automated Implementation Plan |
| AIP | Avionics Improvement Package |
| AIP | Avionics Improvement Plan |
| AIP | Avionics Installation Plan (US Navy) |
| AIP | Avionics Integration Plan |
| AIP | Avionics Integrity Program |