- Le repas du serpent (2004)cello, fixed medium and video
- Repetition of Perception (2012), 7:40multichannel fixed medium
- Représentation (1969), 2:20
- Les représentations surannées (1998), 19:00orchestra
- Requiems for the Party Girl (1966)mezzo-soprano, flute (piccolo), clarinet, bass clarinet, horn, harp, piano, percussion, violin, viola and cello
- Réseaux (1958)piano
- Résonance (2016), 5:25
- Résonances (1982)harp
- Resonants (2010-11), 13:407.1-channel fixed medium
- Résonnance gothique (2001), 4:10piano
- Respire, 15:0011 instrumentists, processing and video
- Restlessness (2020), indefinite durationsolo or multiple percussions or guitars
- Retazos (2010), 9:002 guitars
- Retour à la raison (2004)cello, fixed medium and video
- Retrouvailles (2013)
- Le rêve de Grégoire [Gregor’s Dream] (2013-14)opera7 voices, string quartet, saxophone quartet, 6 percussions and fixed medium
- Revecy venire du printemps, 13:00
- reverie.exe, 1:00soundtrack for the short film reverie.exe by Zhang Wen; genre: experimental / Xbox Kinect
- Revolution #9 (1968)fixed medium
- Rhapsodie sur un thème de Paganini (1917), 25:00piano and orchestra
- Rhea (1988), 6:0012 saxophones
- flute
- Rhythm (2003), 3:00piano
- Ricochet, 1:00pianoCycle: One Minute More
- Riffineff, 1:00pianoCycle: One Minute More
- Rimes et mesures dépourvues (1991)solo clarinet, solo electric guitar, soprano saxophone, trumpet, trombone, percussion, cello, double bass and fixed medium
