Michael Keller
Michael or Mike Keller may refer to:
- Michael Keller, American filmmaker
- Michael Keller, American sound engineer
- Michael A. Keller, American academician and librarian
- Mike Keller, American football player
- Michael Keller , bishop of the Roman Catholic Diocese of Münster
- Michael Keller , German International Grandmaster for chess compositions
- Mike Keller, guitarist with Letters from the Fire