M
- Ma Sicong (1912–1987)
- Lorin Maazel (born 1930)
- Hamish MacCunn (1868–1916)
- Edward MacDowell (1860–1908)
- Teo Macero (1925–2008)
- Manuel Machado (c. 1590–1646)
- Sergio Machado (born 1963)
- Guillaume de Machaut (c. 1300–1377)
- François-Bernard Mâche (born 1935)
- Le Sieur de Machy (d. after 1692)
- Alexander Mackenzie (1847–1935)
- John Mackey (born 1973)
- Steven Mackey (born 1956)
- James MacMillan (born 1959)
- Elizabeth Maconchy (1907–1994)
- Robin Maconie (born 1942)
- Giovanni de Macque (c. 1549–1614)
- Bruno Maderna (1920–1973)
- Filipe da Madre de Deus (c. 1630–c. 1688 or later)
- Jef Maes (1905–1996)
- Filipe de Magalhães (c. 1571–1652)
- Frederik Magle (born 1977)
- Albéric Magnard (1865–1914)
- Désiré Magnus (1828–1884)
- Janet Maguire (born 1927)
- Ernst Mahle (born 1929)
- Gustav Mahler (1860–1911)
- Mesías Maiguashca (born 1938)
- Jean Maillard (c. 1515?–c. 1570)
- Aimé Maillart (1817–1871)
- Martin Mailman (1932–2000)
- Giorgio Mainerio (c. 1535–1582)
- Philipp Maintz (born 1977)
- Gian Francesco de Majo (1732–1770)
- Giuseppe de Majo (1697–1771)
- Kiril Makedonski (1925–1984)
- Andreas Makris (1930–2005)
- Malcourt (fl. c. 1470–1480)
- Pierre van Maldere (1729–1768)
- Paul de Maleingreau (1887–1956)
- Dmitry Malikov (born 1970)
- Gian Francesco Malipiero (1882–1973)
- Riccardo Malipiero (1914–2003)
- Otto Malling (1848–1915)
- Gui Mallon (born 1953)
- Pierre de Manchicourt (c. 1510–1564)
- Francesco Mancini (1672–1737)
- Henry Mancini (1924–1994)
- Francesco Manelli (1594–1667)
- Francesco Manfredini (1684–1762)
- Franco Mannino (1924–2005)
- Philippe Manoury (born 1952)
- Tigran Mansurian (born 1939)
- Paul Manz (1919–2009)
- Marco Marazzoli (c. 1602–1662)
- Marin Marais (1656–1728)
- Roland Marais (c. 1685–c. 1750)
- Alessandro Marcello (1669–1747)
- Benedetto Marcello (1686–1739)
- Louis Marchand (1669–1732)
- Filippo Marchetti (1831–1902)
- Christian Marclay (born 1955)
- Catya Maré
- Luca Marenzio (c. 1553–1599)
- Maria Antonia Walpurgis of Bavaria (Electress of Saxony) (1724–1780)
- Dario Marianelli (born 1963)
- José Marín (1618–1699)
- Biagio Marini (1594–1663)
- Igor Markevitch (1912–1983)
- Miklós Maros (born 1943)
- Arturo Márquez (born 1950)
- Heinrich Marschner (1795–1861)
- John Marsh (1752–1828)
- Henri Marteau (1874–1934)
- Frank Martin (1890–1974)
- Philip Martin (born 1947)
- Vicente Martin y Soler (1754–1806)
- Marianne von Martínez (1744–1812)
- Giovanni Battista Martini (Padre Martini) (1706–1784)
- Jean Paul Egide Martini (1741–1816)
- Johannes Martini (c. 1430/1440–1497)
- Donald Martino (1931–2005)
- Bohuslav Martinů (1890–1959)
- Steve Martland (born 1959)
- Giuseppe Martucci (1856–1909)
- Joseph Marx (1882–1964)
- Karl Marx (1897–1985)
- Eduard Marxsen (1806–1887)
- Pietro Mascagni (1863–1945)
- David Maslanka (born 1943)
- Daniel Gregory Mason (1873–1953)
- William Mason (1829–1908)
- Paola Massarenghi (born 1565; fl. 1585)
- Jean-Baptiste Masse (c. 1700–c. 1757)
- Victor Massé (1822–1884)
- Jules Massenet (1842–1912)
- Gérard Masson (born 1936)
- Lovro von Matačić (1899–1985)
- Johannes Matelart (Ioanne Matelart) (before 1538–1607)
- William Mathias (1934–1992)
- André Mathieu (1929-1968)
- Yoritsune Matsudaira (1907–2001)
- Teizo Matsumura (1929–2007)
- Nicola Matteis (fl. c. 1670–1698; d. after 1713)
- Matteo da Perugia (fl. 1400–1416)
- Johann Mattheson (1681–1764)
- Colin Matthews (born 1964)
- Siegfried Matthus (born 1934)
- Peter Matz (1928–2002)
- Rudolf Mauersberger (1889–1971)
- John Henry Maunder (1858–1920)
- Nicholas Maw (1935–2009)
- Colin Mawby (born 1936)
- Emilie Mayer (1812-1883)
- Ascanio Mayone (1565–1627)
- Johann Simon Mayr (1763–1845)
- Toshiro Mayuzumi (1929–1997)
- Jacques Féréol Mazas (1782–1849)
- Domenico Mazzocchi (1592–1665)
- Virgilio Mazzocchi (1597–1646)
- Giovanni Mazzuoli (Giovanni degli Organi) (c. 1360–1426)
- John McCabe (born 1939)
- John Blackwood McEwen (1868–1948)
- Peter McGarr (born 1953)
- John McGuire (born 1942)
- Rod McKuen (born 1933)
- Frank McNamara
- Richard Meale (1932–2009)
- Kirke Mechem (born 1925)
- Johann Valentin Meder (1649–1719)
- Nikolai Medtner (1880–1951)
- Étienne Méhul (1763–1817)
- Johan de Meij (born 1953)
- Alessandro Melani (1639–1703)
- Jacopo Melani (1623–1676)
- Erkki Melartin (1875–1937)
- Diogo Dias Melgás (1638–1700)
- Fanny Mendelssohn (1805–1847)
- Felix Mendelssohn (1809–1847)
- Manuel Mendes (c. 1547–1605)
- Martin-Joseph Mengal (1784–1851)
- Peter Mennin (1923–1983)
- Gian Carlo Menotti (1911–2007)
- Sophie Menter (1846–1918)
- John Merbecke (c. 1505–c. 1585)
- Saverio Mercadante (1795–1870)
- Aarre Merikanto (1893–1958)
- Oskar Merikanto (1868–1924)
- Maceo Merriweather (1905–1953)
- Johann Kaspar Mertz (1806–1856)
- Tarquinio Merula (1594/1595–1665)
- Claudio Merulo (1533–1604)
- René Mesangeau (fl. 1567–1638)
- André Messager (1853–1929)
- Guilielmus Messaus (1589–1640)
- Olivier Messiaen (1908–1992)
- Ludwig Mestler (1891–1959)
- Edgar Meyer (born 1960)
- Ernst Hermann Meyer (1905–1988)
- Giacomo Meyerbeer (1791–1864)
- Adam Václav Michna z Otradovic (c. 1600–1676)
- Richard Mico (1590–1661)
- Wilhelm Middelschulte (1863–1943)
- Marcin Mielczewski (c. 1600–1651)
- Francisco Mignone (1897–1986)
- Marcel Mihalovici (1898–1985)
- Minoru Miki (1930–2011)
- Mikołaj z Krakowa (Nicolaus Cracoviensis) (first half of 16th century)
- Luis de Milán (c. 1500–after 1560)
- Francesco da Milano (1497–1543)
- Robin Milford (1903–1959)
- Darius Milhaud (1892–1974)
- Carl Millöcker (1842–1899)
- Nicolas Millot (fl. 1559–1589)
- Richard Mills (born 1949)
- Georgi Minchev (born 1936)
- Ludwig Minkus (1826–1917)
- Ambrogio Minoja (1752–1825)
- Guillaume Minoret (c. 1650–1717/1720)
- Dimitri Mitropoulos (1896–1960)
- Dary John Mizelle (born 1940)
- Hajime Mizoguchi (born 1960)
- Eric Moe (born 1954)
- Ernest John Moeran (1894–1950)
- Stevan Mokranjac (1856-1914)
- Bernhard Molique (1802–1869)
- Simone Molinaro (c. 1570–after 1633)
- John Christopher Moller (1755–1803)
- Johann Melchior Molter (1696–1765)
- Jérôme-Joseph de Momigny (1762–1842)
- Federico Mompou (1893–1987)
- José Pablo Moncayo (1912–1958)
- Jean-Joseph Cassanéa de Mondonville (1711–1772)
- Stanisław Moniuszko (1819–1872)
- Meredith Monk (born 1942)
- Thelonious Monk (1917–1982)
- Georg Matthias Monn (1717–1750)
- Pierre-Alexandre Monsigny (1729–1817)
- Ricardo Montaner (born 1957)
- Philippe de Monte (1521–1603)
- Michel Pignolet de Montéclair (1667–1737)
- Italo Montemezzi (1875–1952)
- José Ángel Montero (1832–1881)
- Claudio Monteverdi (1567–1643)
- Giulio Cesare Monteverdi (1573–1630/31)
- Vittorio Monti (1868–1922)
- Xavier Montsalvatge (1912–2002)
- Douglas Moore (1893–1969)
- Cristóbal de Morales (c. 1500–1553)
- Robert Moran (born 1937)
- Paul Moravec (born 1957)
- Jean-Baptiste Moreau (1656–1733)
- Justin Morgan (1747–1798)
- Jean-Baptiste Morin (1677–1745)
- Francesco Morlacchi (1784–1841)
- Thomas Morley (1557/1558–1602)
- Giorgio Moroder (born 1940)
- Jerome Moross (1913–1983)
- Steve Morse (born 1954)
- Ennio Morricone (born 1928)
- Jelly Roll Morton (1890–1941)
- Robert Morton (c. 1430–1479)
- Ignaz Moscheles (1794–1870)
- Alexander Mosolov (1900–1973)
- Moritz Moszkowski (1854–1925)
- Felix Mottl (1856–1911)
- Pierre Moulu (c. 1484–c. 1550)
- Jean-Joseph Mouret (1682–1738)
- Georges Moustaki (born 1934)
- Charles Mouton (1626–1710)
- Jean Mouton (Jehan de Hollingue) (c. 1459–1522)
- Franz Xaver Mozart (1791–1844)
- Leopold Mozart (1719–1787)
- Wolfgang Amadeus Mozart (1756–1791)
- Jean-Baptiste Moyne (1751–1796)
- Robert Muczynski (1929–2010)
- Alonso Mudarra (c. 1510–1580)
- Georg Muffat (1653–1704)
- Gottlieb Muffat (1690–1770)
- Nico Muhly (b. 1981)
- Dominic Muldowney (born 1952)
- August Eberhard Müller (1767–1817)
- Wenzel Müller (1767–1835)
- Jan Müller-Wieland (born 1966)
- Gráinne Mulvey (born 1966)
- John Mundy (c. 1555–1630)
- William Mundy (c. 1528–c. 1591)
- Tristan Murail (born 1947)
- Santiago de Murcia (1673–1739)
- Gilles Mureau (Mureue) (c. 1450–1512)
- Franz Xaver Murschhauser (1663–1738)
- Roberto Musci (born 1956)
- Thea Musgrave (born 1928)
- Modest Mussorgsky (1839–1881)
- Johann Gottfried Müthel (1728–1788)
- Gordon Mumma (born 1935)
- Ian Munro (born 1963)
- Nikolai Myaskovsky (1881–1950)
- Stanley Myers (1930-1993)
- Josef Mysliveček (1737–1781)
Read more about this topic: List Of Composers By Name