Dorothea of Brandenburg (1430/1431 – 10 November 1495) was the wife of Christopher of Bavaria and Christian I of Denmark. She was Queen of Denmark (1445–1448 and 1449–1481), Norway (1445–1448 and 1450–1481), and Sweden (1447–1448 and 1457–1464) two times each. She also served as regent in Denmark during the absences of her spouse.