| Acronym | Definition |
|---|
| SAPA | San Antonio Pets Alive (San Antonia, TX) |
| SAPA | South African Press Association |
| SAPA | Società in Accomandita Per Azioni (Italy) |
| SAPA | Small Animal Practitioners Association |
| SAPA | Solidarity for Asian People's Advocacy (Thailand) |
| SAPA | Second Amendment Protection Act (US Constitution) |
| SAPA | Saint Paul's Church National Historic Site (US National Park Service) |
| SAPA | Society of Army Physician Assistants |
| SAPA | Southeastern Advertising Publishers Association |
| SAPA | South Asia Peace Alliance (India; est. 2006) |
| SAPA | Southern Association for Performance Arts |
| SAPA | Secretary of the Army, Public Affairs |
| SAPA | Simplified Aircraft-Based Paired Approach (US NASA) |
| SAPA | Slide and Photographic Archives (Smithsonian Institute) |
| SAPA | Stonewall Antique Power Association |
| SAPA | South African Pigeon Association (South Africa) |