Surname チャンミン (Changmin 
, チャンミン 
) , all around the world, is a rare family name. The last name チャンミン is characteristic of South Korea, where it is a rare surname, Spain, where it is a very rare surname, and Japan. Not in comparison with a country's population, it most frequently occurs in South Korea, China, and Indonesia. Much more frequently, チャンミン is the forename as well as the last name.