Komponisten O
Oberleithner, Max von 1868-1935
Oboussier, Robert 1900-1957
Obst, Michael 1955
Odak, Krsto 1888-1965
Oehring, Helmut 1961
Ofenbauer, Christian 1961
Offenbach, Jacques 1819-1880
Ogiński, Michał Kazimierz 1728-1800
Ohana, Maurice 1913-1992
Olenin, Aleksandr Alekseevič 1865-1944
Oliveira, Jocy de 1936
Olivieri, Angelo 1679-1702
Olsen, Ole 1850-1927
Olsen, Poul Rovsing 1922-1982
Olthuis, Kees 1940
Onslow, George 1784-1853
Oosterzee, Cornélie van 1863-1943
Oppo, Franco 1935
Orefice, Antonio 1685-1727
Orefice, Giacomo 1865-1922
Orff, Carl 1895-1982
Orgad, Ben-Zion 1926
Orgitano, Raffaele 1770-1804
Orgitano, Vincenzo 1738-1815
Orlandini, Giuseppe Maria 1676-1760
Orlando, Ferdinando 1777-1848
Orr, Robin Kemsley 1909-2006
Ortega del Villar, Aniceto 1825-1875
Osborne, Nigel 1948
Ostendorf, Jens-Peter 1944
Osterc, Slavko 1895-1941
Ostrčil, Otakar 1879-1935
Ottani, Bernardo 1736-1827
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