Cognomen シルク (Silk 
, シルク 
) , across the world, is quite a common surname. The family name シルク is characteristic of Marshall Islands, where it is a common surname, Guernsey, where it is quite a common surname, and Australia, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Australia. Much less frequently, シルク is the forename as well as the last name.