TA
- EMC TA
- Paraprofessional educator
- Province of Taranto
- T.A. All Day
- TA (album)
- TA Associates
- TA Luft
- TA3 (TV channel, 1991–1992)
- TACA Airlines
- Ta (Indic)
- Ta (Javanese)
- Ta (cuneiform)
- Ta (island)
- Ta (kana)
- Ta River
- Ta, Chiang Rai
- Ta, Iran
- Tages-Anzeiger
- Takayasu's arteritis
- Takoma Academy
- Talmudical Academy of Baltimore
- Tamil language
- Tantalum
- Teaching assistant
- Teaching assistant (United Kingdom)
- Team Ayu
- Technical analysis
- Technician
- Tel Aviv
- Telemarksavisa
- Telluride Association
- Tennis Australia
- Teraampere
- Terminal adapter
- Terminologia Anatomica
- Territorial Army (India)
- Territorial Army (United Kingdom)
- Teth
- TextAmerica
- Thayer Academy
- Thematic analysis
- Third Age
- Thüringer Allgemeine
- Tibialis anterior muscle
- Total Annihilation
- Trading as
- Traffic announcement (radio data systems)
- Traffic collision avoidance system
- Trans-Am
- Transactional analysis
- Transportation Alternatives
- Transversus abdominis muscle
- Travelcenters of America
- Triumph-Adler
- TrueAchievements
- Tuscaloosa Academy
- Tāʾ
- Tạ
- Ṭa (Indic)