Andersen is a Danish surname that originated from the given name Anders, which is a variant of the Greek name Andreas meaning "man" or "manly." The name Andersen is commonly used as a patronymic surname, indicating "son of Anders." It is a popular surname in Denmark and other Scandinavian countries. Famous individuals with the surname Andersen include Hans Christian Andersen, a renowned Danish author known for his fairy tales, and Morten Andersen, a Danish-American former NFL kicker. The name Andersen is also common as a given name, particularly in Denmark and Norway.