Hatutu (also called Hatuta'a) is a small island approximately 3 km (2 mi.) northeast of Eiao in the northern Marquesas Islands. It is approximately 3 km (2 mi) from Eiao by a channel 50 meters deep. It was also known as Hancock, Chanal, Langdon, and Nexsen.

Hatutu is administratively part of the commune (municipality) of Nuku-Hiva, itself in the administrative subdivision