Cognomen 丁金 (丁金 
, Dinkin 
, Dynkin 
) , throughout the world, is a rare surname. The family name 丁金 is habitual in Nicaragua, where it is quite a rare surname, Israel, and Ireland, where it is a rare surname. In absolute terms, this name is the most popular in the United States, Nicaragua, and Israel. Also, 丁金 is the forename as well as the last name.