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Family name บุญชุ่ม (Boonchum , บุญชุ่ม) , across the world, is quite a rare last name. The surname บุญชุ่ม is characteristic of Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, บุญชุ่ม is the forename as well as the last name.