TJ
- .tj
- A Theory of Justice
- Andi Mack
- CEO
- Court of Justice (Brazil)
- Creation Ministries International
- Jeep TJ
- Junction temperature
- Nocturne (Talia Wagner)
- Political Animals (miniseries)
- Recess (TV series)
- T. J. (given name)
- T. J. Hooker
- T.J.'s
- TJ Maxx
- Tajikistan
- Tajikistani somoni
- Tamara Johansen
- Tamgha-i-Jurat
- Teddyson John
- Teejay (disambiguation)
- Tejay (disambiguation)
- Temasek Junior College
- Terajoule
- Thanjavur Junction railway station
- Theodore Jay Jarvis Johnson
- Therapeutic jurisprudence
- Thomas Jefferson
- Thomas Jefferson High School for Science and Technology
- Tianjin
- Tijuana
- Tj (digraph)
- Tjay (disambiguation)
- Tobu Tojo Line
- Tommy John surgery
- Tongji University
- Torrejón de Ardoz
- Trader Joe's
- Trans Jogja
- Transjakarta
- Triple jump
- Turbojugend
- WordGirl