| PACSA | Pan African Composers and Songwriters Alliance 
| Others |
| PACSA | Parent Advisory Council on Student Achievement
| Others |
| PACSA | Paret Advisory Committee on Student Achievement
| Others |
| PACSA | Peace and Conflict Studies in Anthropology
| Others |
| PACSA | Persian Academic and Cultural Student Association
| Others |
| PACSA | Persian Academic Cultural Student Association
| Others |
| PACSA | Philippine Association of Campus Student Adviser
| Others |
| PACSA | Philippine Association of Campus Student Advisers
| Others |
| PACSA | Phosphorus And Climate Smart Agriculture
| Others |
| PACSA | Pietermaritzburg Agency for Community Social Action
| Others |
| PACSA | President's Action Committee on Social Amelioration
| Others |
| PACSA | Presidential Advisory Committee on Sexual Assault
| Others |
| PACSA | Public Administration and Civil Service Authority (Laos)
| Others |