- Come as you are (2000)pipa and chamber orchestra
- Come in un film di… (2007), 10:00string quartet
- Comme un silène entr’ouvert (1985), 20:007 musicians and fixed medium
- Commedia dell’arte I (2010), 10:00string quartet
- Commedia dell’arte II (2012), 20:00string quartet
- Commedia dell’arte III (2013)string quartet
- Commiato (1972)soprano, 2 flutes (piccolos), clarinet (bass clarinet), E-flat clarinet, bassoon, horn, trumpet, harp, piano (celesta), 2 percussions, violin, viola, cello and double bass
- Les Communiantes (1977), 17:00organ
- Companion Piece (1993)harp
- Composition IV (2017), 5:00cello and fixed mediumCycle: Résonance Kandinsky
- Composition IX (2017), 5:00hyper-bass-flute, percussion and processingCycle: Résonance Kandinsky
- Composition No. 1 — Dona Nobis Pacem (1970-71), 17:00piccolo, tuba and piano
- Composition No. 2 — Dies Iræ (1972-73), 18:008 double basses, piano and percussion
- Composition V (2008), 5:00hyper-flute and fixed mediumCycle: Résonance Kandinsky
- Composition VI (2017), 5:00hyper-bass-flute, cello and processingCycle: Résonance Kandinsky
- Composition VII (2003), 5:00cello, percussion and processingCycle: Résonance Kandinsky
- Composition VIII (2003), 5:00danmo and processingCycle: Résonance Kandinsky
- Composition X (2017), 5:00hyper-flute, cello, percussion and processingCycle: Résonance Kandinsky
- Compostelle I (1978)solo clarinet, 2 flutes, horn in
F , 2 tenor trombones, 2 harps, 4 percussions, 3 violins and 3 double basses - Compressions (1996), 10:002 horns, 3 trumpets (piccolo trumpet), 3 trombones, percussion, harp, piano, violin, viola, cello and double bass
- Concelebration (1981), 16:00flute, clarinet, piano, percussion and cello
- Le concert des anachronismes délibérés (2014), 15:00
- Concertino (1920)string quartet
- Concertino (2001), 6:002 violins, viola, cello, double bass and youth string orchestra
- Concertino colorum (1990)solo flute, oboe, clarinet, horn, harp, piano, percussion, 2 violins, viola, cello and double bass
- Concertino pour guitare et orchestre à cordes (1998), 10:00guitar and string orchestra
- Concerto (1966)solo cello, flute, oboe, 2 clarinets, bassoon, horn, trumpet, trombone, harp, 2 violins, viola, cello and double bass
- Concerto (1984)3 flutes, 3 oboes, 3 clarinets, 3 bassoons, 4 horns, 3 trumpets, 2 pianos, 5 percussions, 12 violins, 4 violas, 4 cellos and 2 double basses
- Concerto «Lucky Luke» (1999), 16:00tenor trombone and large ensemble
