Szentgotthárd Abbey (Hungarian: Szentgotthárdi ciszterci apátság; German: Kloster Sankt Gotthard; Latin: Abbatia Sancti Gotthardi, Slovene: Monoštrska cistercijanska opatija, Prekmurje Slovene: Monošterski cistercijánski klošter) is a former Cistercian monastery in Szentgotthárd in Vas County in southwest Hungary, about 3 km from the Austrian border and 18 km from the Slovenian border.