| TS | Transition State | - | Computer Acronyms(common) |
| TS | Serial Traceability | - | Organizations |
| TS | Technical Support (KSC Directorate) | - | Organizations |
| TS | Tensile Strength | - | Organizations |
| TS | Test Site | - | Organizations |
| TS | Test Stand | - | Organizations |
| TS | Test Station | - | Organizations |
| TS | Time Scheduled | - | Organizations |
| TS | Timing System | - | Organizations |
| TS | Totally Stinks | - | ISO Country Codes |
| TS | Tough Sh*t | - | ISO Country Codes |
| TS | Terasecond | - | Astronomy |
| TS | Terasiemens - Thunderstorm (METAR Code) - Tunisia (FIPS 10-4 Country Code) -TinySex - Transsexual | - | Astronomy |
| TS | Tsonga Language (ISO 639-1 Code) | - | Astronomy |
| TS | Telecommunications Services, Trade Study
| - | Human Genome |
