| Claußner, Steffan | Steffan Claußner | Composer | 2013 - 2014 | 1 | |
| Chadabe, Joel | Joel Chadabe | Composer | 1957 | 1 | |
| Cooke, Arnold | Arnold Cooke | Composer | 1932 | 1 | |
| Cagnolari, Christophe | Christophe Cagnolari | Composer | 1999 | 10 | |
| Chèze, Bernard | Bernard Chèze | Composer | 1999 | 10 | |
| Capiba, - | - Capiba | Composer | 1949 | 1 | |
| Chamberland, Yves | Yves Chamberland | Composer | 2016 - 2017 | 1 | |
| Cicchelli, Rodrigo | Rodrigo Cicchelli | Composer | 1991 | 1 | |
| Coax, - | - Coax | Composer | 1993 | 1 | |
| Christodoulides, Michalis | Michalis Christodoulides | Composer | 2017 | 2 | |
| Coyne, Sean | Sean Coyne | Composer | 2018 | 1 | |
| Christodoulopoulos, Giannis | Giannis Christodoulopoulos | Composer | 2017 - 2018 | 1 | |
| Cansiano, Alexis | Alexis Cansiano | Composer | 2005 | 5 | |
| Cuadrado, Francisco | Francisco Cuadrado | Composer | 2012 | 1 | |
| Chowdhury, Neelam, Mansingh | Neelam Mansingh Chowdhury | Composer, Designer, Director | 2008 | 3 | |
| Chołodziński, Piotr | Piotr Chołodziński | Composer, Director | 2007 - 2011 | 3 | |
| Cranner, Morten, | Morten Cranner | Composer, Director, Dramaturg, Sound Designer | 2000 - 2013 | 7 | |
| Commijs, Bam | Bam Commijs | Composer, Musician | 1985 | 2 | |
| Canniere, Monique | Monique Canniere | Composer, Musician | 2015 | 2 | |
| Campanella, Philip | Philip Campanella | Composer, Sound Designer | 1971 - 1988 | 6 | |
| Cork, Adam | Adam Cork | Composer, Sound Designer | 2005 - 2007 | 4 | |
| Caruthers, Cliff | Cliff Caruthers | Composer, Sound Designer | 2002 - 2017 | 3 | |
| Coffin, Gregg | Gregg Coffin | Composer, Sound Designer | 2002 | 2 | |
| Carpenter, Nick | Nick Carpenter | Composer, Sound Designer | 2009 | 2 | |
| Chandavarkar, Naren | Naren Chandavarkar | Composer, Sound Designer | 2010 | 2 | |
| Cawthorne, Charles | Charles Cawthorne | Conductor | 1891 | 2 | |
| Chromcák, Petr | Petr Chromcák | Conductor | 1986 | 1 | |
| Creutzburg, Werner | Werner Creutzburg | Conductor | 1925 | 1 | |
| Caelius, Carl | Carl Caelius | Conductor | 1947 | 1 | |
| Clark, Derek | Derek Clark | Conductor | 2012 | 2 | |
| Cadou, André | André Cadou | Conductor | 1937 | 1 | |
| Costin, Gheorghe | Gheorghe Costin | Conductor | 2010 | 1 | |
| Cassirer, Fritz | Fritz Cassirer | Conductor | 1917 | 1 | |
| Corri, Charles | Charles Corri | Conductor | 1922 - 1928 | 2 | |
| Chalabala, Zdeněk | Zdeněk Chalabala | Conductor | 1928 | 1 | |
| Capone, Clifford | Clifford Capone | Costume Designer | 1975 - 1976 | 1 | |
| Cehovin, Adria | Adria Cehovin | Costume Designer | 2003 | 1 | |
| Chiavero, Graziella, | Graziella Chiavero | Costume Designer | 1996 | 2 | |
| Christ, Eva | Eva Christ | Costume Designer | 1981 | 1 | |
| Colciaghi, Ebe, | Ebe Colciaghi | Costume Designer | 1949 | 4 | |
| Cook, Janet | Janet Cook | Costume Designer | 1993 | 1 | |
| Cooke, Richard | Richard Cooke | Costume Designer | 2004 - 2005 | 1 | |
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