SSTAR
| Acronym | Definition |
|---|---|
| SSTAR | Social Skills Technology Asperger Recreation (Asperger's Syndrome) |
| SSTAR | Stanley Street Treatment and Resources (Fall River, MA) |
| SSTAR | Society for Sex Therapy and Research (Washington, DC) |
| SSTAR | Small, Sealed, Transportable, Autonomous Reactor (portable nuclear power plant) |