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Worldwide, つちや (Tsuchiya , つちや) is a rare primarily male, but very infrequently female first name. The given name つちや is characteristic of Eastern Asia, particularly China, where it is a very rare primarily masculine, but very seldom girly name. More prevalently, つちや is the last name as well as the forename.
つちや is also a name for the fictitious and mythical characters: .