Komponisten von A-Z
- Merulo, Claudio (1533-1604)
- Messager, Andre (1853-1929)
- Messiaen, Olivier (1908-1992)
- Metsch, Placidus (1700-1778)
- Meyerbeer, Giacomo (1791-1864)
- Mezzalira, Giacomo (geb. 1959)
- Michael, Rogier (1552-1619)
- Michael, Tobias (1592-1657)
- Michael, David Moritz (1751-1827)
- Micheelsen, Hans Friedrich (1902-1973)
- Michel, Johannes Matthias (geb. 1962)
- Michna, Adam Vaclav (1600-1676)
- Miller, Dominic (geb. 1960)
- Milner, Anthony (1925-2002)
- Mitchell, Joni (geb. 1943)
- Molter, Johann Melchior (1696-1765)
- Monteverdi, Claudio (1567-1643)
- Moore, Philip John (geb. 1943)
- Morales, Cristobal de (1500-1553)
- Morales, Erik (geb. 1966)
- Morancon, Guy (geb. 1927)
- Morley, Thomas (1557-1602)
- Morley, Angela (1924-2009)
- Mornable, Antoine de (fl. 1530-1553)
- Morricone, Ennio (1928-2020)
- Mouton, Jean (1459-1522)
- Mozart, Leopold (1719-1787)
- Mozart, Franz Xaver (1791-1844)
- Mozart, Wolfgang Amadeus (1756-1791)
- Muffat, Gottlieb (1690-1770)
- Muffat, Georg (1653-1704)
- Murrill, Herbert (1909-1952)
- Murschhauser, Franz Xaver (1663-1738)
- Mussorgsky, Modest (1839-1881)
- Nagel, Wilhelm (1871-1955)
- Nanino, Giovanni Maria (1544-1607)
- Näther, Gisbert (geb. 1948)
- Naylor, Edward W. (1867-1934)
- Nesbit, Edward (geb. 1986)
- Nicolai, Otto (1810-1849)
- Nielsen, Carl (1865-1931)
- Niles, John Jacob (1892-1980)
- Nin, Joaquin (1879-1949)
- Nisini, Ercole (geb. 1971)
- Nordqvist, Gustaf (1886-1949)
- Nörgard, Per (1932-2025)
- Novak, Vitezlav (1870-1949)
- Nowowiejski, Felix (1877-1946)
- Nuss, Benyamin (geb. 1989)
- Nystedt, Knut (1915-2014)
- Oberthür, Charles (1819-1895)
- Ochs, Siegfried (1858-1929)
- Offenbach, Jacques (1819-1880)
- Oliver, Tarney (geb. 1984)
- Olsson, Otto (1879-1964)
- O'Regan, Tarik (geb. 1978)
- Orgelmusik
- Ortiz, Diego (1510-1558)
- Osiander, Lucas (1534-1604)
- Othmayr, Caspar (1515-1553)
- Otto, Hans (1922-1996)
- Pachelbel, Johann (1653-1706)
- Paish, Helena (geb. 2002)
- Palmgren, Selim (1878-1951)
- Paminger, Leonhard (1495-1567)
- Panufnik, Roxanna (geb. 1968)
- Park, Owain (geb. 1993)
- Parry, Hubert (1848-1918)
- Parry, Ben (geb. 1965)
- Parsons, Robert (1530-1572)
- Pärt, Arvo (geb. 1935)
- Paulus, Stephen (1949-2014)
- Paus, Marcus (geb. 1979)
- Pavarotti, Luciano (1935-2007)
- Peacock, Adrian (geb. 1962)
- Pearsall, Robert Lucas (1795-1856)
- Peerson, Martin (1572-1650)
- Peeters, Flor (1903-1986)
- Pepping, Ernst (1901-1981)
- Perotinus Magnus (1165-1220)