DTJ

DTJ may refer to:


 * D-topia Entertainment, previously known as DTJ, a Japanese record label
 * Dělnická tělovýchovná jednota ('Workers' Gymnastics Club'), a successor of the Czech Sokol movement
 * Detroj railway station, in Ahmedabad district, Gujarat, India
 * Destroy The Joint, an online Australian feminist group
 * Donald Trump Jr.