TJ may refer to:
Tjaronn Inteff Chefren Chery (born 4 June 1988) is a Dutch footballer who plays as an attacking midfielder for Chinese club Guizhou Zhicheng.
Tjalie Robinson is the main alias of the Indo (Eurasian) intellectual and writer Jan Boon (born Nijmegen, 10 January 1911; died The Hague, 22 April 1974) also known as Vincent Mahieu.
The TJ Liner (TJライナー) is a limited-stop "Home Liner"-style service to and from Ikebukuro Station in Tokyo on the Tobu Tojo Line operated by the private railway operator Tobu Railway in Japan since June 2008.
Timothy Jerome "TJ" Grant (born February 26, 1984) is a retired Canadian mixed martial artist who most recently competed in the Lightweight division of the Ultimate Fighting Championship.
Terry Joseph Galiardi (born April 22, 1988) is a Canadian-born American professional ice hockey forward who is playing with HC Neftekhimik Nizhnekamsk of the Kontinental Hockey League (KHL).
Thomas James "TJ" Kirk III (born February 20, 1985), previously known by the pseudonym Terroja Lee Kincaid, is an American YouTube personality, author, religious critic, social critic, political critic, and Internet talk show host.