- Chasse aux faucons (2014)chamber orchestra, qanun, nay and oud
- Le château (2012)installation
- Chemin de croix (1990)narrator, soprano and organ
- Chemins II (su Sequenza VI) (1967), 12:00solo alto, flute, clarinet, trombone, harp, organ, 2 percussions, viola and cello
- Le chêne et le roseau (2006), 15:00cello and 8 flutes
- Chiaroscuro (1997), 12:002 pianos tuned one 4th-tone apart
- Children impaling Frogs (1998)wind quintet
- Children’s Corner (1997), 14:57stereo fixed mediumCycle: Bruits
- Children’s Corner, L113 (1906-08), 15:00piano
- Chimera (2016), 25:005-string Baroque cello
- Chinese whispers (2013)flute, clarinet, violin, cello and piano
- Chopin-Hauer (1990)6 voices, other instrument and fixed medium
- Choral, Nr 1/9 (1950)a capella chorus
- Le choral des anges (1984), 5:00small orchestra
- Chorals ornés (2007-08, 09), 42:08Johann Sebastian Bach, Yves Daoust / Anouk Bereau, Jacinthe Dompierre, Gaston Miron, Matthieu Simardorgan and stereo fixed medium
- In dir ist Freude, 2:50organ
- organ (in foreground) and stereo fixed medium
- organ
- Chöre für Doris, Nr 1/11 (1950)mixed voice
- Chorus Nunavik Breizh (2022), 22:004 voices and orchestra
- Chpoc! (2002), 10:00fixed medium
- Christmas Day (1981)Arr. Walter Boudreausaxophone quartet, 2 keyboards controllers and 2 percussions
- Chroma (1973), 12:00orchestra
- Chromamorphe II (1964)piano
- Chronique, 12:00fixed medium
- Chroniques de la lumière (1989, 2005), 29:12stereo fixed medium
- Miroitements [Shimmers] (1989), 8:05
- Artifices (1989), 10:24
- Météores [Meteors], 12:43
- Chroniques de la lumière [stage version] (1989), 30:00Arr. Francis Dhomont, 1989 [original work]audiovisual performancestereo fixed medium and scenography, lights
- Cycle: 2 Minutes From Home
- Chute / Parachute (1989), 12:00piano and fixed medium
- La chute des anges rebelles (2016)chorus and small ensemble
