This is a partial list of former teachers at the Conservatoire de Paris.

Brass

Composition, harmony, and music theory

Adolphe Adam (Composition, 1849–1856)
Claude Ballif (Professor of analysis)
François Bazin (harmony)
Marcel Bitsch (Professor of Counterpoint/Fugue, 1956–1988)
François-Joseph Fétis (Professor of composition and harmony, 1821–1832)
Charles Gounod (composition)
Jules Massenet (composition, harmony)
Jules Mazellier (composition)
Olivier Messiaen (Professor of Harmony, 1941, Professor of Composition, 1966)
Serge Nigg (Professor of Orchestration)
Pierre Pincemaille (Professor of Counterpoint, 1956–2018)^[1]
Henri Reber Professor of Harmony, 1851–1862; Professor of Composition, 1862–1871)
Anton Reicha (Professor of Counterpoint/Fugue, 1818–1836)
Paul Rougnon (Professor of music theory, 1873–1921)

François Benoist (Professor of Organ, 1819–1872)
Michel Chapuis (organist) (Professor of Organ, 1986–1995)
Lucette Descaves (Professor of Piano, 1941–1976)
Marcel Dupré (Professor of Organ, 1926–1955, Director 1954–1956)
Alphonse Duvernoy (Professor of Piano)
Rolande Falcinelli (Professor of Organ, 1954–1986)
Louise Farrenc (Professor of Piano, 1842–1873)
César Franck (Professor of Organ, 1872–1890)
Eugene Gigout (Professor of Organ, 1911–1925)
Alexandre Guilmant (Professor of Organ, 1896–1911)
Antoine Marmontel (piano)
Yves Nat (pianist, 1890–1956)
Isidor Philipp (Professor of Piano, 1893–1934)
Pierre Sancan (Professor of Piano, 1956–1985)
Nicolas Séjan (Professor of Organ, 1795–1802)
Charles-Marie Widor (Professor of Organ, 1890–1896)
Aimee Wiele (Professor of Harpsichord)

Louis-Albert Bourgault-Ducoudray, (Professor of Music History/Theory, 1878–1908)
William Christie (1944– ), lecturer in early music

Michel Arrignon (Professor of Clarinet, 1989–2009)
Frédéric Berr (Professor of Clarinet, 1832–1838)
Daniel Deffayet (Professor of Saxophone, 1968–1988)
Michel Debost (Professor of Flute, 1981–1990)
Ulysse Delécluse (Professor of Clarinet, 1947–1977)
Guy Deplus (Professor of Clarinet, 1977–1989)
Philippe Gaubert (Professor of Flute, 1920–1931)
Hyacinthe Klosé (Professor of Clarinet, 1838–1868)
Jean-Xavier Lefèvre (Professor of Clarinet, 1795–1824)
Louis Lefèvre (Professor of Clarinet, 1824–1832)
Adolphe Leroy (Professor of Clarinet, 1868–1876)
Prosper Mimart (Professor of Clarinet, 1904–1918)
Marcel Moyse (Professor of Flute, 1932–1940)
Marcel Mule (Professor of Saxophone, 1942–1968)
Auguste Périer [fr] (Professor of Clarinet, 1918–1947)
Jean-Pierre Rampal (Professor of Flute, 1969–1981)
Cyrille Rose (Professor of Clarinet, 1876–1900)
Adolphe Sax (Professor of Saxophone, 1858–1871)
Paul Taffanel (Professor of Flute, 1894–1908)
Charles Turban (Professor of Clarinet, 1900–1904)