Kjartan is a name of Norse origin, commonly used in Scandinavian countries. It is derived from the Old Norse name "Kjartansson," which means "son of Kjartan." The name is often associated with strength and leadership, reflecting its historical roots in Viking culture. In literature, Kjartan appears in the Icelandic sagas, particularly in the saga of Njáls saga, where he is depicted as a heroic figure. The name has also been popularized in modern times through various cultural references, including literature and film, maintaining its significance in Nordic heritage.