Duchess Anna of Austria (1549-1580) was a member of the Habsburg dynasty, born to Archduke Ferdinand I and Anna of Bohemia and Hungary. She was the sister of Holy Roman Emperor Maximilian II and played a significant role in the political alliances of her time through marriage. In 1569, Anna married Duke Wilhelm IV of Bavaria, strengthening ties between the Habsburgs and the Bavarian nobility. Her marriage produced several children, contributing to the continuation of both dynasties. Anna's life was marked by her involvement in courtly affairs and her influence on the cultural landscape of the period.