| Acronym | Definition |
|---|
| SIAP➣Statistical Institute for Asia and the Pacific (UN ESCAP) |
| SIAP➣Single Integrated Air Picture |
| SIAP➣Social Impact of the Arts Project (University of Pennsylvania; est. 1994) |
| SIAP➣Sociedad Interamericana de Planificación (Spanish: Inter-American Planning Society) |
| SIAP➣Standard Instrument Approach Procedure |
| SIAP➣System Integrity Assurance Program (US NASA) |
| SIAP➣SIDS Initial Assessment Profile |
| SIAP➣Système d'Information et d'Aide aux Promotions (French: System Information and Support for Promotions) |
| SIAP➣Security in Iraq Accountability Panel (United Nations) |
| SIAP➣Society of Iranian Architects & Planners |
| SIAP➣Stable Image Assurance Program (Dell Inc.) |
| SIAP➣Sensory Impairment Action Plan |
| SIAP➣Sorry If Already Posted |
| SIAP➣Sonobuoy Interference Avoidance Plan |
| SIAP➣Surveillance Integration Automation Project |
| SIAP➣Shut-In Annular Pressure |
| SIAP➣Speakers' Information & Activity Package |