Cognomen Hochan (Hochan 
) , worldwide, is a rare family name. The cognomen Hochan is habitual in South Korea, where it is a rare surname, Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. In absolute terms, it is the most numerous in South Korea, China, and Thailand. More prevalently, Hochan is the forename as well as the last name.