Family name 健人 (Kento 
, 健人 ) , all over the world, is a rare surname. The surname 健人 is habitual in Cameroon, where it is a rare surname, the Democratic Republic of the Congo, and Japan, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Indonesia, and China. More prevalently, 健人 is the forename as well as the last name.