| Acronym | Definition |
|---|
| SOSA | Sociology and Social Anthropology (various schools) |
| SOSA | Sort of Santa Ana |
| SOSA | Solitary Sandpiper (bird species Tringa solitaria) |
| SOSA | Save Our Springs Alliance (Austin, TX) |
| SOSA | System of Systems Analysis |
| SOSA | Survivors of Spiritual Abuse |
| SOSA | Student Osteopathic Surgical Association |
| SOSA | Singapore Open Source Alliance |
| SOSA | Selective Optimization of Side Activities |
| SOSA | Strength of Support Assessment (US Federal Reserve Board rating system) |
| SOSA | Sidcot Old Scholars' Association (UK) |
| SOSA | Secretary of State Award |
| SOSA | System of Systems Architecture |
| SOSA | Southampton Occupational Safety Association (UK) |
| SOSA | Sub-Organizational Systems Administrator |
| SOSA | Space Operations Support Agreement |
| SOSA | Standard Operation Support Agreement |
| SOSA | Status Of Staff Actions |
| SOSA | Sea of Spa America (Dead Sea skin products importer) |