Eva Mattes (born 14 December 1954, Tegernsee, Germany) is an Austro-German actress.
Mattes was featured in four films directed by director Rainer Werner Fassbinder (The Bitter Tears of Petra von Kant, Wildwechsel, Effi Briest and In a Year of 13 Moons). In A Man Called Eva (Ein Mann wie EVA, 1984), she played a bearded film director, based on the recently deceased Fassbinder.