| Name | Functions | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Petr Chromcák | Conductor | 1986 | 1 | |||
| Werner Creutzburg | Conductor | 1925 | 1 | |||
| Carl Caelius | Conductor | 1947 | 1 | |||
| Derek Clark | Conductor | 2012 | 2 | |||
| André Cadou | Conductor | 1937 | 1 | |||
| Gheorghe Costin | Conductor | 2010 | 1 | |||
| Fritz Cassirer | Conductor | 1917 | 1 | |||
| Charles Corri | Conductor | 1922 - 1928 | 2 | |||
| Zdeněk Chalabala | Conductor | 1928 | 1 | |||
| Olivier Chabloz | Conductor | 2018 | 1 | |||
| Trygve Christiansen | Conductor | 1926 | 1 | |||
| Philip Campanella | Composer, Sound Designer | 1971 - 1988 | 6 | |||
| Adam Cork | Composer, Sound Designer | 2005 - 2007 | 4 | |||
| Cliff Caruthers | Composer, Sound Designer | 2002 - 2017 | 3 | |||
| Gregg Coffin | Composer, Sound Designer | 2002 | 2 | |||
| Nick Carpenter | Composer, Sound Designer | 2009 | 2 | |||
| Naren Chandavarkar | Composer, Sound Designer | 2010 | 2 | |||
| Bam Commijs | Composer, Musician | 1985 | 2 | |||
| Monique Canniere | Composer, Musician | 2015 | 2 | |||
| Morten Cranner | Composer, Director, Dramaturg, Sound Designer | 2000 - 2013 | 7 | 1 | ||
| Piotr Chołodziński | Composer, Director | 2007 - 2010 | 3 | |||
| Neelam Mansingh Chowdhury | Composer, Designer, Director | 2008 | 3 | |||
| Ricardo Cortés | Composer | 2006 | 1 | |||
| Jason Carr | Composer | 1996 - 1997 | 3 | |||
| Baikida Carroll | Composer | 1996 | 1 | |||
| Kostas Charitatos | Composer | 2006 | 1 | |||
| Paddy Cunneen | Composer | 1990 - 2009 | 10 | |||
| Frédéric Chopin | Composer | 1916 - 2012 | 29 | |||
| Kais Chert | Composer | 2010 | 1 | |||
| Alphons Czibulka | Composer | 1885 - 1896 | 4 | |||
| Hans Curjel | Composer | 1924 | 2 | |||
| - Conradi | Composer | 1903 - 1909 | 3 | |||
| Olav Celius | Composer | 1991 | 1 | |||
| Henrik Celius | Composer | 1991 | 1 | |||
| Jon Christensen | Composer | 2009 | 49 | |||
| Franz Edvard Cedrins | Composer | 2013 - 2014 | 2 | |||
| Sarah Collins | Composer | 1990 | 2 | |||
| Elena Chernin | Composer | 1993 - 1995 | 6 | |||
| Fiorenzo Carpi | Composer | 1981 - 2005 | 6 | |||
| Arthur Campbell | Composer | 1981 | 1 | |||
| Lola Castegnaro | Composer | 1945 | 1 | |||
| Boris Cepeda | Composer | 2013 | 1 | |||