Maria Anna Amalia of Courland (12 June 1653, Mitau – 16 June 1711, Weilmünster) was a German noblewoman. A princess of Courland from the Ketteler family, she was also Landgravine of Hesse-Kassel via her marriage on 21 May 1673 to her first cousin Charles I, Landgrave of Hesse-Kassel. She was the child of Jacob Kettler and Margravine Louise Charlotte of Brandenburg, eldest daughter of George William, Elector of Brandenburg.