Registry
- Giovanni Gabrieli (c. 1554 - 1612)
- Andrea Gabrieli (c.1532 - 1585)
- Giovanni Battista da Gagliano (1594 - 1651)
- Marco da Gagliano (1582 - 1643)
- Ercole Gaibara (c. 1620 - 1690)
- Ivan Galamian (1903 - 1981)
- Jacques Gallot (c.1625 - c.1695)
- James Galway (1939 - None)
- Francesco Gasparini (1661 - 1727)
- Florian Leopold Gassmann (1729 - 1774)
- Philippe Gaubert (1879 - 1941)
- Denis Gaultier (c.1597 - 1672)
- Ennemond Gaultier (c.1575 - 1651)
- André Gedalge (1856 - 1926)
- Francesco Geminiani (1687 - 1762)
- Anton Gerke (1812 - 1870)
- George Gershwin (1898 - 1937)
- François-Auguste Gevaert (1828 - 1908)
- Gasparo Ghiretti (1747 - 1797)
- Walter Gieseking (1895 - 1956)
- Nicolas Gigault (c.1627 - 1707)
- Eugène Gigout (1844 - 1925)
- Geoffrey Gilbert (1914 - 1989)
- Emil Gilels (1916 - 1985)
- Grigory Ginzburg (1904 - 1961)
- Giuseppe Giordani (1751 - 1798)
- Tommaso Giordani (1730 - 1806)
- Vincenzo Giovannoni (fl.1649 - fl.1661)
- Philip Glass (1937 - None)
- Alexander Glazunov (1865 - 1936)
- Reinhold Glière (1875 - 1956)
- Christoph Willibald Gluck (1714 - 1787)
- Elena Gnesina (1874 - 1967)
- Louis Gobert (1747 - 1822)
- Leopold Godowsky (1870 - 1938)
- Percy Goetschius (1853 - 1943)
- Alexander Goldenweiser (1875 - 1961)
- Rivka Goldgart (1903 - None)
- Rubin Goldmark (1872 - 1936)
- Julius Goltermann (1825 - 1876)
- Vera Gornostayeva (1929 - 2015)
- John Goss (1800 - 1880)
- François-Joseph Gossec (1734 - 1829)
- Louis Moreau Gottschalk (1829 - 1869)
- Glenn Gould (1932 - 1982)
- Charles Gounod (1818 - 1893)
- Joseph Graetz (1760 - 1826)
- Gary Graffman (1928 - None)
- Percy Grainger (1882 - 1961)
- Enrique Granados (1867 - 1916)
- Johann Gottlieb Graun (c.1702 - 1771)
- Christoph Graupner (1683 - 1760)
- Gaetano Greco (1657 - 1728)
- Maurice Greene (1696 - 1755)
- Tekla Griebel-Wandall (1866 - 1940)
- Edvard Grieg (1843 - 1907)
- Hélène Grimaud (1969 - None)
- Jakob Grün (1837 - 1916)
- Alberto Guerrero (1886 - 1959)
- Alexandre Guilmant (1837 - 1911)
- Ernest Guiraud (1837 - 1892)
- Friedrich Gulda (1930 - 2000)
- Henryk Górecki (1933 - 2010)