Henrietta Catharina Baroness von Gersdorff (maiden name von Friesen auf Roetha October 6 1648 Sulzbach Upper Palatinate – March 6 1726 Grosshennersdorf Upper Lusatia Saxony) was a German Baroque religious poet an advocate of Pietism and also a supporter of the beginnings of the Moravian Church. She was the maternal grandmother of Nicolas Ludwig Count von Zinzendorf.Born the daughter of Karl Baron von Friesen she was educated in Dresden and Leipzig.