Family name 孔恩 (Core 
, 孔恩 
) , across the world, is a common cognomen. The cognomen 孔恩 is characteristic of Uruguay, where it is quite a rare surname, Ireland, and Albania. Measured by absolute frequency, this name is the most popular in the United States, Indonesia, and Italy. Very seldom, 孔恩 is the forename as well as the last name.