Maria Anna of Bavaria, archduchess of Austria (d. 1665)
Archduchess Maria Anna of Austria (German: Maria Anna von Habsburg, Erzherzogin von Österreich, also known as Maria Anna von Bayern or Maria-Anna, Kurfürstin von Bayern; 13 January 1610 – 25 September 1665), was a German regent, Electress of Bavaria by marriage to Maximilian I, Elector of Bavaria, and co-regent of the Electorate of Bavaria during the minority of her son Ferdinand Maria, Elector of Bavaria from 1651 to 1654.