O

Obrecht - (1450 - 1505)

Offenbach - (1819 - 1880)

Ohana
- (1914 - 1992)

Okeghem
- (c.1430 - c.1495)

Onslow - (1784 - 1853)

Orff - (1895 - 1982)

Ortiz - (c.1520 - c.1570)

Oswald - (1852 - 1931)