Dorothea Sophia, Abbess of Quedlinburg (d. 1645)
Duchess Dorothea Sophia of Saxe-Altenburg (19 December 1587 – 10 February 1645) was Princess-Abbess of Quedlinburg.

She was the fourth child and second daughter of Friedrich Wilhelm I, Duke of Saxe-Weimar, and his first wife, Sophie of Württemberg.