Composers 'O'
Ødegaard, Henrik (born 1955)
O'Brien, Eugene (born 1945)
O'Carolan, Turlough (1670-1738)
O'Connor, Mark (born 1961)
Oberthür, Charles (1819-1895)
Obradović, Aleksandar (1927-2001)
Obrecht, Jakob (1457-1505)
Obst, Michael (born 1955)
Obuchov, Nicolas (1892-1954)
Ochs, Siegfried (1858-1929)
Ockeghem, Johannes (1430-1497)
Ockenfels, Helmut (1937-1999)
Odriozola, Ricardo (born 1965)
Oechsner, Andreas Johann Lorenz (1815-1886)
Oehring, Helmut (born 1961)
Oesten, Max Otto (1843-1917)
Oestreich, Carl (1800-1840)
Ofenbauer, Christian (born 1961)
Offenbach, Jacques (1819-1880)
Ogerman, Claus (1930-2016)
Ogiermann, Christoph (born 1967)
Ohana, Maurice (1913-1992)
Ohguri, Hiroshi (1918-1982)
Ohki, Masao (1901-1971)
Ohzawa, Hisato (1907-1953)
Okumura, Hajime (1925-1994)
Olah, Tiberiu (1928-2002)
Olesen, Thomas Agerfeldt (born 1969)
Olive, Vivienne (born 1950)
Oliver, Harold (born 1942)
Olivero, Betty (born 1954)
Oliveros, Pauline (1932-2016)
Olivier, François (1907-1948)
Ollone, Max d' (1875-1959)
Olmedo, Guadalupe (1853-1889)
Olofsson, Olov (born 1947)
Olsen, James (born 1982)
Olsson, Otto (1879-1964)
Omizzolo, Silvio (1905-1991)
O'Brien, Eugene (born 1945)
O'Carolan, Turlough (1670-1738)
O'Connor, Mark (born 1961)
Oberthür, Charles (1819-1895)
Obradović, Aleksandar (1927-2001)
Obrecht, Jakob (1457-1505)
Obst, Michael (born 1955)
Obuchov, Nicolas (1892-1954)
Ochs, Siegfried (1858-1929)
Ockeghem, Johannes (1430-1497)
Ockenfels, Helmut (1937-1999)
Odriozola, Ricardo (born 1965)
Oechsner, Andreas Johann Lorenz (1815-1886)
Oehring, Helmut (born 1961)
Oesten, Max Otto (1843-1917)
Oestreich, Carl (1800-1840)
Ofenbauer, Christian (born 1961)
Offenbach, Jacques (1819-1880)
Ogerman, Claus (1930-2016)
Ogiermann, Christoph (born 1967)
Ohana, Maurice (1913-1992)
Ohguri, Hiroshi (1918-1982)
Ohki, Masao (1901-1971)
Ohzawa, Hisato (1907-1953)
Okumura, Hajime (1925-1994)
Olah, Tiberiu (1928-2002)
Olesen, Thomas Agerfeldt (born 1969)
Olive, Vivienne (born 1950)
Oliver, Harold (born 1942)
Olivero, Betty (born 1954)
Oliveros, Pauline (1932-2016)
Olivier, François (1907-1948)
Ollone, Max d' (1875-1959)
Olmedo, Guadalupe (1853-1889)
Olofsson, Olov (born 1947)
Olsen, James (born 1982)
Olsson, Otto (1879-1964)
Omizzolo, Silvio (1905-1991)
Oosterzee, Cornélie van (1863-1943)
Orbán, György (born 1947)
Orbón, Julián (1925-1991)
Ordóñez, Karl von (1734-1786)
Orellana, Ignatius de (1866-1931)
Orff, Carl (1895-1982)
Ornstein, Leo (1892-2002)
Orr, Buxton (1924-1997)
Orr, Charles Wilfried (1893-1976)
Orr, Robin (1909-2006)
Orrego-Salas, Juan (1919-2019)
Ortells, Antonio Teodoro (1647-1706)
Orthel, Léon (1905-1985)
Ortigue, Joseph d' (1802-1866)
Ortiz, Diego (1510-1570)
Orto, Marbrianus de (1460-1529)
Orton, Richard (1940-2013)
Osborne, Charles D. (20. Jahrhundert)
Osborne, Nigel (born 1948)
Osorio, Daniel (born 1987)
Ospald, Klaus (born 1956)
Osterc, Slavko (1895-1941)
Österreich, Georg (1664-1735)
Ostovar, Houchang (born 1928)
Ostrcil, Otakar (1879-1935)
Oswald, Andreas (1634-1665)
Oswald, Henrique (1852-1931)
Oswald, James (1710-1769)
Othmayr, Caspar (1515-1553)
Ott, Daniel (born 1960)
Otte, Hans (1926-2007)
Oury, Anna Caroline (1808-1880)
Overhoff, Kurt (1902-1986)
Overton, Hall (1920-1972)
Owen, Marfydd Llwyn (1891-1918)
Ovchinnikov, Vyacheslav Aleksandrovich (born 1936)
Özdil Gardner, Sidika (born 1960)
Ozi, Étienne (1754-1813)
Orbán, György (born 1947)
Orbón, Julián (1925-1991)
Ordóñez, Karl von (1734-1786)
Orellana, Ignatius de (1866-1931)
Orff, Carl (1895-1982)
Ornstein, Leo (1892-2002)
Orr, Buxton (1924-1997)
Orr, Charles Wilfried (1893-1976)
Orr, Robin (1909-2006)
Orrego-Salas, Juan (1919-2019)
Ortells, Antonio Teodoro (1647-1706)
Orthel, Léon (1905-1985)
Ortigue, Joseph d' (1802-1866)
Ortiz, Diego (1510-1570)
Orto, Marbrianus de (1460-1529)
Orton, Richard (1940-2013)
Osborne, Charles D. (20. Jahrhundert)
Osborne, Nigel (born 1948)
Osorio, Daniel (born 1987)
Ospald, Klaus (born 1956)
Osterc, Slavko (1895-1941)
Österreich, Georg (1664-1735)
Ostovar, Houchang (born 1928)
Ostrcil, Otakar (1879-1935)
Oswald, Andreas (1634-1665)
Oswald, Henrique (1852-1931)
Oswald, James (1710-1769)
Othmayr, Caspar (1515-1553)
Ott, Daniel (born 1960)
Otte, Hans (1926-2007)
Oury, Anna Caroline (1808-1880)
Overhoff, Kurt (1902-1986)
Overton, Hall (1920-1972)
Owen, Marfydd Llwyn (1891-1918)
Ovchinnikov, Vyacheslav Aleksandrovich (born 1936)
Özdil Gardner, Sidika (born 1960)
Ozi, Étienne (1754-1813)