TAS
- 44M Tas
- Adam Tas
- Adam Tas (singer)
- András Róna-Tas
- Court of Arbitration for Sport
- HK Taš
- Henk Tas
- Lehel
- Lotus Air
- Marcelo Tas
- Marja van der Tas
- Neutron triple-axis spectrometry
- Niels Tas
- River Tas
- Rudi Tas
- Seven chieftains of the Magyars
- Sturmgeschütz III
- TAS Racing
- TAS classification
- TAS de Casablanca
- TAS – Transportes Aéreos Salvador
- TAS-102
- TAS-108
- Taipei American School
- Tas (clan)
- Tas (series)
- Tas Baitieri
- Tas Bull
- Tas Pappas
- Tas kebab
- Tas-Anna
- Tas-Kystabyt
- Tas-Samra Battery
- Tas-Silġ
- TasRail
- Tashkent International Airport
- Tasmania
- Tasslehoff Burrfoot
- Taxpayer Advocate Service
- Taz (disambiguation)
- Tehran American School
- Telephony application server
- Test-and-set
- The Absolute Sound
- The Armidale School
- The Artists' Studio
- The Associated Schools
- The Atlas Society
- The Autobiography Society
- Thermal-assisted switching
- Tool-assisted speedrun
- Total analysis system
- Traffic collision avoidance system
- Transesophageal atrial stimulation
- Travelers' Aid Society
- Trent Accreditation Scheme
- Trinity Anglican School
- True airspeed