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Cognomen กถา (Katha , Kathamma , กถา ) , worldwide, is quite a common last name. The surname กถา is habitual in Myanmar, where it is quite a rare surname, Bangladesh, where it is a rare surname, and Qatar. Not in comparison with a country's population, this name is the most popular in India, Bangladesh, and Myanmar. Also, กถา is the forename as well as the last name.