Cognomen 黑丁 (Heading 
, 黑丁) , around the globe, is a rare surname. The surname 黑丁 is characteristic of Australia, where it is quite a rare surname, Ireland, and the United Kingdom, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Australia, the United Kingdom, and the United States. Very seldom, 黑丁 is the forename as well as the last name.