Johanssen is a surname of Scandinavian origin, commonly found in countries like Sweden, Norway, and Denmark. It is derived from the given name Johann, which means "God is gracious." The name is often associated with families and individuals in various professions, including academia, sports, and the arts. In addition to being a surname, Johanssen can also refer to notable figures, such as scientists or athletes who have made significant contributions in their respective fields. The name may appear in various contexts, including literature, history, and popular culture, reflecting its widespread use and recognition.