A–B
- Eryck Abecassis (born 1956)
- Jean-Baptiste Accolay (1833–1900)
- Frédéric Acquaviva (born 1967)
- Adolphe Adam (1803–1856)
- François d'Agincourt (1684–1758)
- Léopold Aimon (1779–1866)
- Jehan Alain (1911–1940)
- Paul Alday (c. 1763 – 1835)
- Charles-Valentin Alkan (1813–1888)
- Joseph-Henri Altès (1826–1895)
- Jean-Claude Amiot (born 1939)
- Gilbert Amy (born 1936)
- Édouard Ignace Andlauer (1830–1909)
- Jean-Henri d'Anglebert (1629–1691)
- Jean-Baptiste Arban (1825–1889)
- Daniel Auber (1782–1871)
- Jacques Aubert (1689–1753)
- Louis Aubert (1877–1968)
- Olivier Aubert (1763–c.1830)
- Tony Aubin (1907–1981)
- Edmond Audran (1840–1901)
- Georges Auric (1899–1983)
- Artus Aux-Cousteaux (c. 1590 – 1656)
- Nicolas Bacri (born 1961)
- Pierre Baillot (1771–1842)
- Claude Balbastre (1724–1799)
- Auguste Barbereau (1799–1879)
- Jean Barraqué (1928–1973)
- Yves Baudrier (1906–1988)
- François Bazin (1816–1878)
- Désiré Beaulieu (1791–1863)
- Hector Berlioz (1803–1869)
- Louise Bertin (1805–1877)
- Christophe Bertrand (1981–2010)
- Henri Betti (1917–2005)
- Georges Bizet (1838–1875)
- Adolphe Blanc (1828–1885)
- Nicolas-Charles Bochsa (1789–1856)
- François-Adrien Boieldieu (1775–1834)
- Joseph Bodin de Boismortier (1689–1755)
- Michel Blavet (1700–1768)
- Léon Boëllmann (1862–1897)
- Claude Bolling (1930–2020)
- Mélanie Bonis (1858–1937)
- Charles Bordes (1863–1909)
- Lili Boulanger (1893–1918)
- Nadia Boulanger (1887–1979)
- Pierre Boulez (1925–2016)
- Joseph Boulogne, Chevalier de St George (1745–1799)
- Louis-Albert Bourgault-Ducoudray (1840–1910)
- Laurent Boutonnat (born 1961)
- Eugène Bozza (1905–1991)
- Jean-Baptiste Bréval (1753–1823)
- Antoine Brumel (1460 – 1515 ?)
- Clément Broutin (1851–1889)
- Alfred Bruneau (1857–1934)
- Henri Büsser (1872–1973)
