August Wilhelm Bach (4 October 1796 – 15 April 1869) was a German composer and organist. He is unrelated to the family of Johann Sebastian Bach. He studied with his father, Gottfried, as well as with Carl Friedrich Zelter and Ludwig Berger. In 1832, he succeeded Zelter as the director of the Royal Institute of Church Music in Berlin. He also taught at the Royal Academy of Arts. His compositions largely consist of sacred works and works for keyboard. He also wrote a pipe organ method and a hymnbook.