TJ
The initialism TJ can refer to:
- Jeep Wrangler, 1997-2006 Version of the Wrangler Mini SUV from Jeep
- Tajikistan, central Asian nation
- Technical journal, now the Journal of Creation, published by Creation Ministries International
- Temasek Junior College in eastern Singapore
- Thomas Jefferson, third President of the United States
- TJ Goree, Captain in Confederate States Army and aide to Lt. General James Longstreet
- Terajoule (1012 joules)
- Tijuana, Mexican city (informal)
- T.J. Ford, NBA basketball player
- T. J. Hooker, an American television show
- Tribunal de Justiça, Portuguese for a court of second instance in most Brazilian states. See Politics of Brazil#Judicial branch
- Triple jump, in athletics
- T.J. Houshmandzadeh
- "The Legendary" T.J.'s, a nightclub in Newport, Wales
- TJ Jackson- hot 7th grader