Emil Steinbach (1849 - 1919) was a German conductor and composer. He was particularly known for his interpretations of the works of Richard Wagner. He notably conducted the first public performance of Wagner's Siegfried Idyll in 1877. His compositional output consists of several orchestral works and songs.
Born in Lengenrieden, Baden, Steinbach was the elder brother of composer and conductor Fritz Steinbach and the great uncle of Peter Maag. He studied under Hermann Levi at the Leipzig Conservatory from 1867–1869. From 1872–1877 he was conductor of the orchestra at the Staatstheater Darmstadt, and then served in the same capacity at the Staatstheater Mainz from 1877–1909. In 1893 he conducted operas at the Royal Opera House in London. He died in Mainz in 1919.