| ASSA | ABLOY security solution Assa 
| Others |
| ASSA | Abortion Support South Africa
| Others |
| ASSA | Academic Services for Student Athletes
| Others |
| ASSA | Academy of the Social Sciences in Australia
| Others |
| ASSA | Actuarial Society of South Africa
| Others |
| ASSA | After Start of Space Age
| Others |
| ASSA | Alberta Summer Swimming Association
| Others |
| ASSA | All Saints School Association
| Others |
| ASSA | Allied Social Science Association
| Others |
| ASSA | Allied Social Science Associations
| Others |
| ASSA | Allied Social Sciences Association
| Others |
| ASSA | Allied Social Sciences Associations
| Others |
| ASSA | Alternative Sports Studies Allegiance
| Others |
| ASSA | American Shetland Sheepdog Association
| Others |
| ASSA | American Shutter Systems Association
| Others |
| ASSA | Application for State School Aid
| Others |
| ASSA | Applied Singular Spectrum Analysis
| Others |
| ASSA | Arkansas State Soccer Association
| Others |
| ASSA | Armed Services Security Agency
| Others |
| ASSA | ASEAN Social Security Association
| Others |
| ASSA | Assiut Students Scientific Association
| Others |
| ASSA | Association for Sociology in South Africa
| Others |
| ASSA | Association of Surgeons of Southern Africa
| Others |
| ASSA | Association Suisse de Simulation de l'Environnement
| Others |
| ASSA | Associazione Svizzera di Simulazione dell Ambiente
| Others |
| ASSA | Astronomical Society of South Australia
| Others |
| ASSA | Astronomical Society of Southern Africa
| Others |
| ASSA | August Stenman Ltd.
| Others |
| ASSA | August Stenman Stenman August
| Others |
| ASSA | Australian Sports Sedan Association
| Others |
| ASSA | Australian Students Space Association
| Others |
| ASSA | Austrian Solar and Space Agency
| Others |
| ASSA | Swiss Society of Environmental Engineering
| Others |