The Lied repertoire of Isolde Ehinger includes songs and song cycles by the following composers:
Johannes Brahms, Benjamin Britten, Sidney Corbett, Peter Cornelius, Claude Debussy, Stefano Donaudy, Felix Draeseke, Antonin Dvorak, Moritz Eggert, Hanns Eisler, Edgar Elgar, Gabriel Fauré, Benjamin Helmer, Hans Krasa, Franz Liszt, Gustav Mahler, Joseph Marx, Fanny Mendelssohn, Felix Mendelssohn-Bartholdy, Wolfgang Amadeus Mozart, Francis Poulenc, Sergej Rachmaninov, Maurice Ravel, Wolfgang Rihm, Gioacchino Rossini, Peter Ruzicka, Franz Schubert, Robert Schumann, Richard Strauss, Richard Wagner, Hugo Wolf.