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Cognomen หนูแก้ว (Rat , Ratkaew , หนูแก้ว) , around the world, is a common last name. The family name หนูแก้ว is characteristic of Romania, where it is quite a common surname, France, where it is quite a rare surname, and Oman. Measured by absolute frequency, the name is most common in Bangladesh, France, and Romania. Also, หนูแก้ว is the forename as well as the last name.