Kurotsuchi may refer to:
Berardius minimus, a smaller, darker beaked whale species, found in the northwest Pacific Ocean Mayuri Kurotsuchi, a character who is Captain of the 12th Division and President of the Shinigami Research Institute in the Japanese Bleach series. Nemu Kurotsuchi, a character who is artificially created daughter of the Captain in the Japanese Bleach series. Kurotsuchi, a character who is the granddaughter of the Third Tsuchikage, Onoki in the Japanese Naruto series.