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Surname แตงกวา (Cuc , แตงกวา , Tangkwar ) , all around the world, is a common last name. The cognomen แตงกวา is habitual in Guatemala, where it is quite a common surname, Romania, and Macao, where it is quite a rare surname. In absolute terms, it is the most numerous in Guatemala, Romania, and Vietnam. Very seldom, แตงกวา is the forename as well as the last name.