Tanju is a unisex Turkish given name. It means blessed by God in old Turkish. It was used by Chinese as a reference to Turkic khans. Tanju is equivalent to Tanhu, Shanyu, Chanyu. Notable people with the name include:
Tanju Çolak (born 1963), Turkish football player Tanju Gürsu (1938–2016), Turkish actor Tanju Kayhan (born 1989), Austrian football player of Turkish origin Tanju Korel (1944–2005), Turkish actor Tanju Okan (1938–1996), Turkish singer Tanju Öztürk (born 1989), German-Turkish football player
See also Tanju, the art of pistol defense often learned in the martial art of jujutsu