TSN
- Ho Chi Minh City
- Integrated Taxonomic Information System
- Tan Son Nhat International Airport
- Television Sydney
- Televiziyna Sluzhba Novyn
- Texas State Network
- The Science Network
- The Sierra Network
- The Sporting News
- The Sports Network
- Thomastown railway station, Melbourne
- Tianjin Binhai International Airport
- Time-Sensitive Networking
- Translin
- Tswana language
- Tyson Foods
- Vietnam