| Moss, Piotr | Piotr Moss | Composer | 1979 – 2012 | 2 | |
| Murdoch, Alan | Alan Murdoch | Composer | 1983 | 2 | |
| Marwin, Mel | Mel Marwin | Composer | 1986 | 1 | |
| McBride, Andrew | Andrew McBride | Composer | 1994 | 1 | |
| Marín, Mariano | Mariano Marín | Composer | 2001 | 5 | |
| Mae: "Storm", Vanessa | Vanessa Mae: "Storm" | Composer | 2009 | 33 | |
| Miranda, Miguel | Miguel Miranda | Composer | 2011 – 2018 | 2 | |
| Mareš, Milan | Milan Mareš | Composer | 1991 | 1 | |
| Mártha, István | István Mártha | Composer | 1991 | 1 | |
| Martinu, Bohuslav | Bohuslav Martinu | Composer | 1991 – 1993 | 5 | |
| Muldowney, Dominic | Dominic Muldowney | Composer | 1989 – 2016 | 3 | |
| Malmquist , Dan | Dan Malmquist | Composer | 1992 – 1993 | 1 | |
| Maurina, Franco | Franco Maurina | Composer | 1994 | 2 | |
| Misgeld, Olof | Olof Misgeld | Composer | 1997 | 1 | |
| Marzi, Ugo | Ugo Marzi | Composer | 1995 | 1 | |
| Milliken, Catherine | Catherine Milliken | Composer | 1996 | 3 | |
| Miyao, Akiyoshi | Akiyoshi Miyao | Composer | 1996 | 1 | |
| Morris, John | John Morris | Composer | 1969 | 1 | |
| Murena, Daniel | Daniel Murena | Composer | 2014 | 1 | |
| Mühlsteiger, Alexander | Alexander Mühlsteiger | Composer | 1997 | 1 | |
| Morrill, Dexter | Dexter Morrill | Composer | 1968 | 1 | |
| Metaxa, Argyro | Argyro Metaxa | Composer | 1961 – 1997 | 12 | |
| Majewski, Hans-Martin | Hans-Martin Majewski | Composer | 1966 | 1 | |
| Mingus, Charles | Charles Mingus | Composer | 2002 – 2003 | 1 | |
| Maraire, - | - Maraire | Composer | 2002 – 2003 | 1 | |
| Marvin, Mel | Mel Marvin | Composer | 1989 | 1 | |
| Milhaud , Darius | Darius Milhaud | Composer | 2003 | 2 | |
| Matkó, Tamás | Tamás Matkó | Composer | 2012 | 1 | |
| Montgomery, Robert | Robert Montgomery | Composer | 2004 | 1 | |
| Malhocký, Pavel | Pavel Malhocký | Composer | 2001 | 1 | |
| Menon, Tarun | Tarun Menon | Composer | 2005 | 1 | |
| Mertens, Wim | Wim Mertens | Composer | 2005 | 3 | |
| Maric, Dave | Dave Maric | Composer | 2005 – 2008 | 3 | |
| Malawski , Artur | Artur Malawski | Composer | 1957 | 1 | |
| Mertens, Wim | Wim Mertens | Composer | 1989 | 2 | |
| Müller , Johannes | Johannes Müller | Composer | 2007 | 1 | |
| Metallinos, Giannis | Giannis Metallinos | Composer | 2006 | 2 | |
| Mishra, Sarita | Sarita Mishra | Composer | 2006 | 2 | |
| Mathis, Christian | Christian Mathis | Composer | 2009 – 2010 | 3 | |
| Mohr, Matthias | Matthias Mohr | Composer | 2009 – 2010 | 2 | |
| MacLeod, Kevin | Kevin MacLeod | Composer | 2009 | 1 | |
| McKelvey, Michael | Michael McKelvey | Composer | 2010 | 1 | |
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