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Throughout the world, บุญเพ็ญ (บุญเพ็ญ , Boonpen , Bunphen ) is a rare epicene given name. The first name บุญเพ็ญ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare unisex name. Also, บุญเพ็ญ is the last name as well as the forename.