| Acronym | Definition |
|---|
| ASSA | Academy of the Social Sciences in Australia |
| ASSA | Astronomical Society of Southern Africa |
| ASSA | Actuarial Society of South Africa |
| ASSA | American Shetland Sheepdog Association |
| ASSA | Astronomical Society of South Australia |
| ASSA | Allied Social Sciences Association |
| ASSA | Aceros Suarez SA (Guatemalan steel producer) |
| ASSA | Aerosol Single Scattering Albedo |
| ASSA | Asociación Sindical de Sobrecargos de Aviación de México (Spanish: Association of Aviation Surcharges, Mexico) |
| ASSA | Alberta Summer Swimming Association |
| ASSA | ASEAN Social Security Association |
| ASSA | Alabama State Society of Anesthesiologists |
| ASSA | Area Supply Support Activity |
| ASSA | Aminopterin Syndrome Sine Aminopterin |
| ASSA | Australian Serbian Students Association |
| ASSA | Association for Sociology in South Africa |
| ASSA | Alberta Skeet Shooting Association |
| ASSA | Automated Self-Service Applications |
| ASSA | Advanced Shipboard Situational Awareness |
| ASSA | Armed Services Security Agency (USA) |
| ASSA | Automated Support Systems Architecture |
| ASSA | Active Self-Steering Array |