| PASA | PA Alternate System of Assessment 
| Others |
| PASA | PA Association of School Administrators
| Others |
| PASA | Palo Alto Stanford Aquatics
| Others |
| PASA | Pan African Sanctuary Alliance
| Others |
| PASA | Pan American Surf Association
| Others |
| PASA | Pan-Arab Space Agency
| Others |
| PASA | Panasonic Automotive Systems America
| Others |
| PASA | Parachute Association Of South Africa
| Others |
| PASA | Parent Academy for Student Achievement
| Others |
| PASA | Parents And School Association
| Others |
| PASA | Participating Agency Service Agreement
| Others |
| PASA | Payment Association of South Africa
| Others |
| PASA | Peninsula Australian Shepherd Association
| Others |
| PASA | Pennsylvania Alternate System of Assessment
| Others |
| PASA | Pennsylvania Ambulatory Surgery Association
| Others |
| PASA | Pennsylvania Association for
| Others |
| PASA | Pennsylvania Association for Sustainable Agriculture
| Others |
| PASA | Pennsylvania Association of School Administrators
| Others |
| PASA | Performing Arts San Antonio
| Others |
| PASA | Pharmacotherapies for Alcohol and Substance Abuse
| Others |
| PASA | Philadelphia Area Songwriters Alliance
| Others |
| PASA | Philippine American Student Association
| Others |
| PASA | Pickerington Area Soccer Association
| Others |
| PASA | Piedmont Area Singletrack Alliance
| Others |
| PASA | Pilipino American Sports Association
| Others |
| PASA | Pilipino American Student Association
| Others |
| PASA | Police Association Of South Australia
| Others |
| PASA | PolyAmide, Semi- Aromatic (Nylon)
| Others |
| PASA | Polygraph Association of South Africa
| Others |
| PASA | Population and Survey Analysts
| Others |
| PASA | Portland Area Sys Admins
| Others |
| PASA | Posterior Anterior Shift in Aging
| Others |
| PASA | President Appoints, Senate Approves
| Others |
| PASA | Prevention of Anti Social Activity
| Others |
| PASA | Prevention of Anti-Social Activity
| Others |
| PASA | Primary Acquired Sideroblastic Anaemia
| Others |
| PASA | Professional Administrative Staff Association
| Others |
| PASA | Professional Air Sports Association
| Others |
| PASA | Professional and Administrative Staff Association
| Others |
| PASA | Professional Automobile Sales Association
| Others |
| PASA | Program Approved Service Agency
| Others |
| PASA | Program Automatic Storage Area
| Others |
| PASA | Projected Assessment Of System Adequacy
| Others |
| PASA | Providence After School Alliance
| Others |
| PASA | Public Access to Science Act
| Others |
| PASA | Public Admin Student Association
| Others |
| PASA | Public Administration Student Association
| Others |
| PASA | Public Art San Angelo
| Others |
| PASA | Public Art San Antonio
| Others |
| PASA | Publications of the Astronomical Society of Australia
| Others |
| PASA | Publishers Association Of South Africa
| Others |
| PASA | Punks And Skaters Association
| Others |
| PASA | Purchasing and Supply Agency
| Others |
| PASA | Purchasing And Supply Agency (NHS)
| Others |