| Abbreviation | Definition |
|---|---|
| RST | Random Silliness Thread |
| RST | Rapid serum tube |
| RST | Ready Set Transfer |
| RST | Rebuildable Sub Tank |
| RST | Reduced Size Transponder |
| RST | Refugee Services of Texas |
| RST | Registered Sleep Technologists |
| RST | Registry System Testing |
| RST | Reservoir Saturation Tool |
| RST | Resisted Sled Training |
| RST | RESTART These interrupt |
| RST | Rico Sun Tours |
| RST | Rock Solid Technologies |
| RST | Rostock System Technik |
| RST | Rotation Scaling and Translation |
| RSTA | Reconnaissance Surveillance and Target Acquisition |
| RSTB | Raven Sings The Blues |
| RSTB | Rear Step Tow Bar |
| RSTB | Regimental Special Troops Battalion |
| RSTC | Recreational Scuba Training Council |