M
- Don Macdonald
- Till MacIvor Meyn
- Ron Mallory
- Sasha Johnson Manning
- Ralph Manuel
- Paul Manz
- Haig Mardirosian
- Chuck Marohnic
- Karen Marrolli
- Joanna Marsh
- Jane Marshall
- Joel Martinson
- David Mason
- Marilyn Mason
- Peter Mathews
- William H. Mathis
- Luke Mayernik
- Michael McCabe
- Michael McCarthy
- Kevin McChesney
- Robinson McClellan
- Matthew McConnell
- John McCreary
- James McCullough
- J. Aaron McDermid
- William McNair
- Kirke Mechem
- David L. Mennicke
- Fred Merrett
- Tom Merrill
- Marjorie Merryman
- Samuel Metzger
- Mark Meuser
- Aaron David Miller
- Dan Miller
- Julius C. Miller III
- Mark A. Miller
- Michael Austin Miller
- Alan Mills
- Henry Mollicone
- David Mooney
- Donald P. Moore
- John Moriarty
- Hart Morris
- Sally Ann Morris
- Reinaldo Moya
- Cindy Moyer
- Tom Mueller
- Mark Mummert
- David W. Music
- Daniel Musselman
- Nyi Nyi Myin