Jacobsen is a surname of Scandinavian origin, commonly found in countries like Denmark, Norway, and Sweden. It is a patronymic name, meaning it is derived from the given name Jacob, indicating "son of Jacob." The name has various spellings and forms, reflecting regional dialects and languages. In addition to being a surname, Jacobsen is also associated with several notable individuals and businesses. For example, Jacobsen Architecture is a well-known firm recognized for its sustainable design practices. The name is also linked to various cultural and historical figures, contributing to its prominence in Scandinavian heritage.