| Ming-chu, Maggie Shum | Maggie Shum Ming-chu | Composer | 2001 | 1 | |
| Maćkowiak, Janusz | Janusz Maćkowiak | Composer | 1957 | 1 | |
| Madzharov, Nikolaj | Nikolaj Madzharov | Composer | 2006 | 1 | |
| Mullin, Bronwen | Bronwen Mullin | Composer | 2011 | 1 | |
| Milner, Johnny | Johnny Milner | Composer | 2007 | 1 | |
| Monteiro, Bruno | Bruno Monteiro | Composer | 2009 | 1 | |
| Müller, Maximilian | Maximilian Müller | Composer | 2010 - 2011 | 8 | |
| Mozart, Wolfgang Amadeus | Wolfgang Amadeus Mozart | Composer | 1879 - 2008 | 7 | |
| Mendelssohn-Bartholdy, Felix | Felix Mendelssohn-Bartholdy | Composer | 1879 - 1916 | 18 | |
| Moszkowsky, Moritz | Moritz Moszkowsky | Composer | 1885 - 1888 | 3 | |
| Møller, C.E. | C. E. Møller (C.E. Møller) | Composer | 1889 | 1 | |
| Mendelssohn, Arnold Ludwig | Arnold Ludwig Mendelssohn | Composer | 1898 | 1 | |
| Massenet, Jules | Jules Massenet | Composer | 1900 - 1917 | 4 | |
| Moskowski, Moritz | Moritz Moskowski | Composer | 1910 | 1 | |
| Mahler, Gustav | Gustav Mahler | Composer | 1979 - 2003 | 10 | |
| Moe, Ole Henrik | Ole Henrik Moe | Composer | 1996 - 2006 | 2 | |
| Morricone, - | - Morricone | Composer | 2004 - 2005 | 2 | |
| Moe, Bodvar | Bodvar Moe | Composer | 2004 | 1 | |
| Molvær, Nils Petter | Nils Petter Molvær | Composer | 2005 - 2020 | 62 | |
| Moxnes, Andreas | Andreas Moxnes | Composer | 2006 | 1 | |
| Meland, Andreas | Andreas Meland | Composer | 2008 - 2010 | 4 | |
| Myhr, Eirik | Eirik Myhr | Composer | 2012 - 2018 | 4 | |
| Márkos, Albert | Albert Márkos | Composer | 2007 - 2010 | 6 | |
| Mandel, Petr | Petr Mandel | Composer | 1990 - 1991 | 2 | |
| Massara, Pino | Pino Massara | Composer | 1975 - 1976 | 3 | |
| Miereanu, Costin | Costin Miereanu | Composer | 1981 | 1 | |
| 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 | 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 | |
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