Gerhardsen
Gerhardsen is a Norwegian surname derived from the given name Gerhard with the patronymic suffix -sen, meaning "son of Gerhard." The name is most commonly found in Norway and exemplifies a traditional Norwegian naming pattern in which a personal name is combined with -sen to indicate lineage.
The name is historically associated with Einar Gerhardsen (1897–1987), a prominent Norwegian Labour Party politician who