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Family name Kâ (卡 , 家 , Kâ ) , globally, is a widespread surname. The family name Kâ is characteristic of China, where it is quite a common surname, Senegal, where it is quite a rare surname, and Algeria. Measured by absolute frequency, it is the most numerous in China, Egypt, and Algeria. Also, Kâ is the forename as well as the last name.