| SSTR | Satellite Town Ring Road 
| Others |
| SSTR | Scoliosis Short Term Rehabilitation
| Others |
| SSTR | Senior Staff Technical Representative
| Others |
| SSTR | Ship Security Tactical Response
| Others |
| SSTR | Short Tandemly Repeated Repetitive (microbiology)
| Others |
| SSTR | Single Stop Temperature Rise
| Others |
| SSTR | Slosson Test of Reading Readiness (Slosson Educational Publications, Inc.)
| Others |
| SSTR | Solid State Track Recorder
| Others |
| SSTR | Stability Security Transition and Reconstruction
| Others |
| SSTR | Stability, Security, Transition, and Reconstruction
| Others |
| SSTR | Steady State Tokamak Reactor
| Others |
| SSTR | Student Scholarship Training Record
| Others |
| SSTR | SubSurface technical review
| Others |
| SSTR | System Test Readiness Review
| Others |