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Throughout the world, Okubo (オオクボ , Okubo , Окубо ) is a rare epicene given name. The first name Okubo is habitual in Nigeria, where it is a rare gender-neutral name, Japan, where it is a very rare male name, and China, where it is a very rare primarily boy's, but very infrequently feminine name. Much less frequently, Okubo is the last name as well as the forename.
Okubo is also a name for the fictitious and mythical characters: .