| Term | Full Form | Category |
|---|---|---|
| RSTA | Rapid Software Testing Applied | Others |
| RSTA | Rear Stabilizer | Others |
| RSTA | Reconnaissance Surveillance and Target Acquisition | Others |
| RSTA | Reconnaissance, Surveillance, and Target Acquisition | Others |
| RSTA | Reston Swim Team Association | Others |
| RSTA | Rindge School of Technical Arts | Others |
| RSTA | Road Safety and Transport Authority | Others |
| RSTA | Road Surface Treatment Association | Others |
| RSTA | Ross School Tennis Academy | Others |