Eva Mattes (German: [ˈeː.fa ˈma.təs] ⓘ; born 14 December 1954) is a German-Austrian actress.

She has appeared in four films directed by director Rainer Werner Fassbinder (The Bitter Tears of Petra von Kant, Jail Bait [de], Effi Briest and In a Year of 13 Moons).

[de] (1984), she played a bearded film director, based on the recently deceased Fassbinder.

On television, she has played Klara Blum in the police procedural series Tatort.

Mattes lives in Berlin with Austrian artist Wolfgang Georgsdorf and two children.