Maria Laach Abbey (in German: Abtei Maria Laach, in Latin: Abbatia Maria Lacensis or Abbatia Maria ad Lacum) is a Benedictine abbey situated on the southwestern shore of the Laacher See (Lake Laach), near Andernach, in the Eifel region of the Rhineland-Palatinate in Germany. It is a member of the Beuronese Congregation within the Benedictine Confederation.