Michael or Mike Keller may refer to: Michael Keller (filmmaker), American filmmaker Michael Keller (sound engineer), American sound engineer Michael A. Keller (born 1945), American academician and librarian Mike Keller (born 1949), American football player Michael Keller (bishop) (1896–1961), bishop of the Roman Catholic Diocese of Münster Michael Keller (chess composer) (born 1949), German International Grandmaster for chess compositions Mike Keller, guitarist with Letters from the Fire