Kuroko are stagehands in traditional Japanese theatre, who dress all in black.

Fictional characters Tetsuya Kuroko, the main character of the manga Kuroko's Basketball Kuroko (Samurai Shodown), a character in the Samurai Shodown series Kuroko (Ninja-Boy), a character in the Power Instinct series Kuroko Shirai, a character of the manga A Certain Magical Index and A Certain Scientific Railgun

Other Kuroko type deposit, a sub-type of the bimodal-felsic Volcanogenic massive sulfide ore deposit