The Rosamunde Quartett is a German string quartet ensemble formed in 1992. It is named after Franz Schubert's String Quartet No.13 D.804 and the incidental music Rosamunde on which the slow movement of this piece is based. Its members consist of Andreas Reiner (violin), Diane Pascal (violin), Helmut Nicolai (viola), and Anja Lechner (cello).