Worldwide, ปิยวาทการ (ปิยวาทการ ) is an extremely rare unknown gender forename. Much more frequently, ปิยวาทการ is the last name as well as the forename.
นิรมล, ปิยเมธ, and เอือน
) is an extremely rare unknown gender forename. Much more frequently, ปิยวาทการ is the last name as well as the forename.