| Calder | Clement | Piano Quartet |  |
| Callert (Roman Zajaczek) | Georg | Micheline Gavotte (c.1971) |  |
| Callhoff | Herbert | Passagen (1974) |  |
| Campbell | Shaun | Visions from the fourth dimension |  |
| Campo | Frank | Piccola Serenata, Op. 139 : Quartet For Violin, Viola, Cello and Piano (2013). |  |
| Campogrande | Nicola | Urban Gardens |  |
| Candeille | Amélie J. | 3 Quartets |  |
| Cannabich | Christian | Balletsuite Ulisse et Orph |  |
| Capdenat | Philppe | Palindrome en Chaconne IV Opus 28 (1988) |  |
| Capyrin | Dimitri | An approach to Jupiter, pour violon,alto,violocelle et piano |  |
| Carbajo | Victor | Frozen Flame in A minor (2012) |  |
| Carbone | Mario S. | Piano Quartet (ca. 1990) |  |
| Cardi | Mauro | Fil Rouge (1997) |  |
| Carlsen | Mark | I. Piano Quartet (1992); II. Cave paintings |  |
| Carlsson (Karlsson) | Lars | Mutations and Morphologies (2011) for violin, viola, cello and prepared piano; |  |
| Carluccio-Leante | Francesco | Serenata (1953) |  |
| Carmichael | John | Pianoquartet (2000) |  |
| Carmichael | John | Sea changes |  |
| Carneyro | Claudio | Piano Quartet (1946) |  |
| Carrapatoso | Eurico | Espelho da Alma |  |
| Carriere | Paul | Quartet in E (1913) |  |
| Carrillo-Cotto | Carlos R. | Seufzer, tranen, kummer, not (1994) |  |
| Casadesus | Robert H. | Opus 30 |  |
| Cascioli | Gianluca | I. PIANO QUARTET n° 1 (2010); II. QUARTETTO n° 2 “Semplice” (2014) |  |
| Cashian | Philip | Music for the night sky (1999); Dances and nocturnes (2019) |  |
| Cashian | Philip | |  |
| Casiniere, La | Yves | Opus 6 (1942) |  |
| Casken | John | Pianoquartet (1989-1990) |  |
| Casken | John | Variation on a jacobine air (3,39 minutes) |  |
| Casswell | Nicholas | Se rappeler que....(2002) |  |
| Castarède | Jacques | Avant que l'aube ne vienne..(c. 1993) |  |
| Castillo | Ramon P. | Three short pieces for violin, viola, cello and piano (2001) |  |
| Castillon | Marie-Alexis de | Opus 7 in g (1872) |  |
| Castro | Washington | Danza para Rosart (1985) |  |
| Castro | Washington | Piano Quartet (1985) |  |
| Catoire (Katuar) | George L. | Opus 31 in a (1921) |  |
| Cecconi-Botella | Monic G. | Franchises (1990) pour trio a cordes avec piano |  |
| Celis | Frits | Opus 6 Invocazioni |  |
| Cervo | Dimitri | Aiamguabe, opus 19: violino,viola,violoncelo e piano (2002) |  |
| Cesa | Mario | El Quartetto Wolfgang (1986) |  |
| Chailly | Luciano | Disegni Per Trio A Cordes Et Piano (1938) |  |
| Chapman Smith | Raymond | Piano Quartet (2000) |  |
| Chartreux | Annick | Quatuor \"In memoriam Erwin Schulhoff\" |  |
| Chausson | Ernest | Opus 30 in A (1899) |  |
| Chen | Ke-Chia | Looming Sky |  |
| Chevillard | Camille | Opus 2 (1883) |  |
| Chevreuille | Raymond | Opus 11 (1938) |  |
| Ching | Jeffry | Grande quartetto concertante in A major (nach der Sinfonia Concertante in A-Dur, Vervollständigung der Mozart-Fragmente KV Anh. 104 (320e) und KV Anh. 72 (464a) und Adagio in E, KV 261, von Jeffrey Ching) |  |
| Chino | Yoshio | Before Dawn in D.minor (2000) |  |
| Christensen | Jeppe Just | Ground vol.3: for violin, viola, cello and upright piano (2004) |  |
| Chuang | Se-lien | The giants causeway-the days fly (2010) |  |
| Chumbly | Robert | Self studies for piano and strings |  |
| Ciardi | Fabio Cifariello | Breaking in II (1990) |  |
| Cifariello Ciardi | Fabio | Breaking in II (1960) |  |
| Cilea (Cílèa) | Franscesco | Quartet |  |
| Cionek | Edmond | Aria & Frenzy (2008) |  |
| Clarke | James H.S. | Quartet |  |
| Clarke | Rhona | Undercurrent (2001) |  |
| Clasing | Johann H. | 3 Pianoquartetten opus 3 |  |
| Clement | Franz J. | Piano quartet in D major Opus 3 (1802-1803) |  |
| Climent | Angel | Ayer (1985) |  |
| Cobb | Gerard F. | Opus 34 in E (c.1898) |  |
| Coedes-Mongin | Andre | Deux pieces, Elegie & Scherzo (1911?) |  |
| Coenen | Frans | Quartet in e |  |
| Coenen | Frans | Quartet in g |  |
| Cohen | Jacques | Castle lament (2009) (3.51 minutes) |  |
| Cohen | Leonard | Hallelujah for piano quartet, song arr. by Josepp Hasper |  |
| Colburn | George | Quartet |  |
| Coldplay | | Viva la Vida arr. for piano quartet by Caroline McCaskey |  |
| Coleman | Dan | Twenty-one lovepoems |  |
| Coleman | Ellen | Piano Quartet |  |
| Coleman | Linda Robbins | The late night cafe: for piano quartet in five movements |  |
| Coll | Francisco | Cuano el nino era el nino... (2008) |  |
| Colla | Alberto E. | Cinque Frammenti Lirici per violine, viola, violoncello, pianoforte (2006) |  |
| Colla | Alberto E. | Abaculi Quartet (2012) |  |
| Colomina I Bosch | Oscar | Five Words, Three Phrases (2000) |  |
| Colton | Beatrice A. | Thesis university of California, Berkeley (1933) |  |
| Colton | Beatrice A. | Piano Quartet (1936) |  |
| Coluccino | Osvaldo | Eco Mobile (2002) |  |
| Cone | Edward T. | Quartet for strings and piano (1983) |  |
| Constant | Franz | Opus 45 (1971) |  |
| Constantinescu | Dan | Variatiuni (1968) |  |
| Conti-Förster | Eleonore | Variations for piano, violin, viola and cello |  |
| Conze | Johannes | Quartet |  |
| Cooke | Arnold | Pianoquartet (1948-1949) |  |
| Cooley | John | Quartett in C majeur, after pianoduet |  |
| Cooman | Carson | A Sea Liturgy (2009) |  |
| Cooper | Paul | Chimera: for piano quartet (1973) |  |
| Copland | Aaron | Quartet (1950) |  |
| Copley | Peter | Miniature Overture (1999) |  |
| Copley | Peter | Partita for piano Quartet (2009) |  |
| Corbett | Sidney | Klavierquintette (2009) |  |
| Cords | Gustav | Quartet |  |
| Corelli | Arcangelo | Corelli Pastorale from Christmas Concerto for Piano Quartet |  |
| Corghi | Azio | Ricordari (1970) |  |
| Corghi | Azio | aimez-vous S...? (2007/8) |  |
| Corticelli | Gaetano | Quartetto brillante |  |
| Costa Ferreira | Diogo Da | Weltschmerz I. blindness and mask.(2015) |  |
| Coult | Tom | Piano quartet Frusta (2011) |  |
| Coulthard | Jean | Sketches from a mediaeval Town (1957) |  |
| Cowen | Sir Frederic H. | Piano Quartet in C Minor |  |
| Cramer | Johann Baptist. | Opus 28 (1803) |  |
| Cramer | Johann Baptist | Opus 35 |  |
| Crawford Seeger | Ruth | Suite no. 2 for piano and strings (1929) |  |
| Croall | Barbara | Croall “Nbiidaasamishkaamin/We Come Paddling Here” |  |
| Crockett | Donald | Ceiling of Heaven (2004) |  |
| Crockett | Donald | Zenith from Ceiling of Heaven |  |
| Cross | Michael H. | Opus 27 (c.1894) |  |
| Crough | William | Three quartets for the piano forte and strings, opus 8 (ca 1820) |  |
| Crowl | Harry | Prismas (2002) |  |
| Crumb | David | Piano Quartet (1999) |  |
| Cruz de Castro | Carlos | Quatro con piano (1993) |  |
| Cruz de Castro | Carlos | Quatro con piano (1993) |  |
| Culwick | James C. | Opus 7 (1884) |  |
| Cundell | Edric | Piano Quartet |  |
| Cundick | Robert | The past returns |  |
| Cunningham | Michael | Pianoquartet Opus 171 |  |
| Cutler | Joe | Piano Quartet (2009) |  |
| Cutler | Joe | Variations on By Yonder Hill (2009) (duration 1 minute) |  |
| Cutler | Joe | Slippery Music (2010) |  |
| Czerny | Charles | Grande Serenade concertant Opus 148 |  |
| Czerny | Charles | Opus 224,1 in F Major |  |
| Czerny | Charles | Opus 262,1 in C major |  |
| Czerny | Charles | Opus 224,2 in G major |  |
| Czerny | Charles | Opus 262,2 in E-flat major |  |
| Czerny | Charles | Opus 262,3 in F major |  |