| Acronym | Definition |
|---|
| PASA | Purchasing and Supply Agency (UK NHS) |
| PASA | Pennsylvania Association for Sustainable Agriculture |
| PASA | Publications of the Astronomical Society of Australia |
| PASA | Pan African Sanctuary Alliance |
| PASA | Publishers’ Association of South Africa |
| PASA | Performing Arts Society of Acadiana (Lafayette, LA) |
| PASA | Pennsylvania Association of School Administrators |
| PASA | Professional Air Sports Association |
| PASA | Payments Association of South Africa |
| PASA | Participating Agency Service Agreement (US government) |
| PASA | Palo Alto Stanford Aquatics |
| PASA | Police Association of South Australia |
| PASA | Philippine Amateur Swimming Association |
| PASA | Parachute Association of South Africa |
| PASA | Program to Assemble Spliced Alignments |
| PASA | Public Administration Student Association |
| PASA | Panamerican Surety Association |
| PASA | Polygraph Association of South Africa |
| PASA | Physical Acoustics South America |
| PASA | Postsecondary Administration and Student Affairs |
| PASA | Population and Survey Analysts |
| PASA | Power Adaptation for Starvation Avoidance |
| PASA | Penn African Students Association (University of Pennsylvania) |
| PASA | Polish American Students Association |
| PASA | Peninsula Australian Shepherd Association (San Francisco Bay area, California) |
| PASA | Portland Area Sys Admins |
| PASA | Pilipino American Students Association |
| PASA | Portland Area Systems Administrators |
| PASA | Professional and Administrative Staff Association |
| PASA | Pennsylvania Ambulatory Surgery Association |
| PASA | Pike Adams Sportsmen's Alliance |
| PASA | Possibly As Soon As |
| PASA | Photographic Arts Society of Alberta (Canada) |
| PASA | Prevention of Anti-Social Activity (India) |
| PASA | Positive Attitudes Solutions & Actions (New York City) |
| PASA | Pediatric Adolescent Surgical Associates, PC |
| PASA | Pre-Award Support Activity |
| PASA | Professional Automobile Sales Association |
| PASA | Pacific Air Services Alliance |
| PASA | Prevention Against Sexual Assault |
| PASA | Pacific American Steamship Association |
| PASA | Pilipino American Student Association Kaibigans (California State University) |
| PASA | People Acting to Stop Abuse, Inc. |