Hansen is a common surname of Scandinavian origin, often associated with individuals from Denmark, Norway, and Sweden. The name means "son of Hans," with Hans being a variant of the name John. It is prevalent in various fields, including sports, music, and academia. In addition to being a surname, Hansen can refer to several notable people, such as Hans Christian Andersen, a famous Danish author known for his fairy tales. The name is also linked to various places and institutions, including Hansen Dam, a recreational area in California.