Cognomen 人丁 (Rending 
, 人丁 ) , in all the world, is a very rare family name. The cognomen 人丁 is characteristic of Germany, where it is an extremely rare surname, Philippines, and China. Measured by absolute frequency, it is commonest in China, Germany, and India. Much more prevalently, 人丁 is the forename as well as the last name.