>
Worldwide, Gaku (Gaku , ガク , Гаку ) is a rare epicene first name. The given name Gaku is characteristic of Japan, where it is a rare masculine name, Nigeria, where it is a rare gender-neutral name, and the United States, where it is an extremely rare principally male, but scarcely female name. Not in comparison with a country's population, the name is most common in Nigeria, Japan, and India. More prevalently, Gaku is the last name as well as the forename.
Gaku is also a name for the fictitious and mythical characters: .