Larsen is a Scandinavian surname-name meaning "son of Lars," with Lars deriving from Laurentius.
Larsen is a Scandinavian patronymic surname meaning 'son of Lars,' with Lars itself being the Norse and Danish contracted form of Laurentius — the Latin name honoring the ancient Roman martyr Saint Lawrence, whose name derived from the town of Laurentum, likely connected to the laurel tree. The laurel, symbol of victory and poetic achievement in antiquity, thus runs quietly through Larsen's etymology, several linguistic steps removed but still present like a distant inherited trait.
As a surname, Larsen has been carried by numerous notable figures: the Norwegian explorer Carl Anton Larsen, who commanded the first Antarctic expedition to overwinter on the continent and for whom the Larsen Ice Shelf is named; the Danish author Nella Larsen, a luminous voice of the Harlem Renaissance whose novels explored racial identity and passing with unsettling psychological precision; and a long line of Scandinavian sailors, athletes, and artists who exported the name across the globe during centuries of emigration. The migration of Larsen from surname to given name follows a broader modern trend of adopting strong, one-word family names as first names — a move that carries a sense of heritage and individuality simultaneously. As a first name, Larsen feels both surname-sleek and slightly adventurous, nodding to its Nordic roots while fitting comfortably in contemporary naming culture. It works equally well across genders, occupying that crisp, open-voweled space that parents increasingly favor when they want something familiar in construction but genuinely uncommon in practice.