TS
- Adobe Technical Communication Suite
- Air Transat
- ISO technical specification
- Ibanez Tube Screamer
- MPEG transport stream
- TS Ferries
- TS postcode area
- Tabu search
- Tate–Shafarevich group
- TeamSpeak
- Teaspoon
- Telangana State
- Telesync
- Tenaris
- Tennessine
- Tensile strength
- Terminal Services
- Theosophical Society
- Thymidylate synthase
- Tidewater Southern Railway
- Top Secret
- Tosyl
- Tourette syndrome
- Trabzonspor
- Transcendental Students
- Transition School and Early Entrance Program
- Transition state
- Transition system
- Transverse plane
- Ts (digraph)
- Tse (Cyrillic)
- Tsonga language
- Turn and slip indicator
- Turner syndrome
- Twin Spark
- TypeScript
- Voiceless alveolar sibilant affricate