TCP
- 1,2,3-Trichloropropane
- FAST TCP
- Frank-Kasper phases
- Krating Daeng
- Robot end effector
- TCP (antiseptic)
- TCP/IP
- Taba International Airport
- Taiwan Communist Party
- Telephony control protocol
- Tenocyclidine
- Terceiro Comando Puro
- Text Creation Partnership
- The Children's Place
- The Clergy Project
- Thermal conversion process
- Three card poker
- Tocopherol
- Top Cow Productions
- Trading Corporation of Pakistan
- Transcutaneous pacing
- Transformer coupled plasma
- Transmission Control Protocol
- Tricalcium phosphate
- Trichlorophenol
- Tricresyl phosphate
- Two-candidate-preferred vote
- Uniform Certified Public Accountant Examination
- Vibrio cholerae