| Name | Functions  | Event Dates | Events | Resources | ||
|---|---|---|---|---|---|---|
| Piotr Chołodziński | Composer, Director | 2007 - 2010 | 3 | 1 | ||
| 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 | 1 | ||
| 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 | |||
| Bo Christensen | Composer | 2013 | 1 | |||
| Hans Czarnik | Composer | 1985 | 1 | |||
| Roma Conway | Composer | 1987 | 2 | |||
| Richard Cooper | Composer | 1984 | 1 | |||
| Aigli Chava-Vagia | Composer | 1989 | 2 | |||
| Giancarlo Chiaramello | Composer | 1993 | 2 | |||
| Robert Czebotar | Composer | 1991 | 1 | |||
| Bruno Courtin | Composer | 1994 | 1 | |||
| Fernando Condon | Composer | 1994 - 2001 | 3 | |||
| Kaj Chydenius | Composer | 1980 | 1 | |||
| James Conely | Composer | 1997 | 1 | |||
| Christoph Coburger | Composer | 1995 - 2018 | 5 | |||
| Dorina Crişan Rusu | Composer | 1997 - 1998 | 2 | |||
| Giordano Corapi | Composer | 2013 - 2014 | 4 | |||
| Douglas Coombes | Composer | 1967 | 1 | |||
| Eurico Carrapatoso | Composer | 2002 | 1 | |||
| Pietro Cavalieri | Composer | 2002 | 1 | |||
| Miklós Csemiczky | Composer | 2002 | 1 | 1 | ||
| Christer Christensson | Composer | 2003 | 4 | |||
| Constantin Christofides | Composer | 2003 | 2 | |||