| Caruthers, Maude | Maude Caruthers | Director | 1895 | 1 | |
| Caßmann, Edmund | Edmund Caßmann | Director | 1898 | 1 | |
| Cserwinka, Julius | Julius Cserwinka | Director | 1915 - 1924 | 6 | |
| Cramer, Dr. Hanns Hermann | Hanns Hermann Cramer (Dr. Hanns Hermann Cramer) | Director | 1917 - 1919 | 2 | |
| Christiansen, Einar | Einar Christiansen | Director | 1903 | 1 | 1 |
| Campbell, Maurice | Maurice Campbell | Director | 1905 | 3 | 1 |
| Cramer, Uwe | Uwe Cramer | Director | 2011 | 6 | 1 |
| Cochran, Charles B. | Charles B. Cochran | Director | 1923 - 1940 | 4 | |
| Clark, Mort | Mort Clark | Director | 1975 | 1 | 1 |
| Criss, Louis | Louis Criss | Director | 1973 | 1 | |
| Cartland, Bob | Bob Cartland | Director | 1974 | 1 | 1 |
| Corneck, Ludwig | Ludwig Corneck | Director | 1889 | 1 | |
| Castro, Andres | Andres Castro | Director | 1979 | 1 | 1 |
| Chéreau, Patrice | Patrice Chéreau | Director | 1981 - 2005 | 4 | 1 |
| Couvelaire, Emile | Emile Couvelaire | Director | 1924 - 1933 | 2 | |
| Colaço, Amélia, Rey | Amélia Rey Colaço | Director | 1972 | 1 | |
| Cárdenas, Nancy | Nancy Cárdenas | Director | 1981 | 1 | |
| Clark, John | John Clark | Director | 1983 | 1 | |
| Cochrane, Peter | Peter Cochrane | Director | 1984 | 1 | |
| Chourmouziadis, Nikos | Nikos Chourmouziadis | Director | 1988 - 2006 | 7 | |
| Cummings, Gordon | Gordon Cummings | Director | 2001 | 1 | |
| Calacione, Marisandra | Marisandra Calacione | Director | 2007 | 1 | |
| Chiorando, Maria | Maria Chiorando | Director | 2009 | 1 | |
| Carrion, Cristina | Cristina Carrion | Director | 2012 | 1 | |
| Castellano, Elizabeth | Elizabeth Castellano | Director | 2012 | 1 | |
| Cracknell, Carrie | Carrie Cracknell | Director | 2008 - 2016 | 6 | 1 |
| Chan, Marjorie | Marjorie Chan | Director | 2012 | 1 | 1 |
| Cunliffe, Sheryl | Sheryl Cunliffe | Director | 2013 | 1 | |
| Cieslak, Ryszard | Ryszard Cieslak | Director | 1987 | 1 | |
| Coleman, Chris | Chris Coleman | Director | 1992 | 1 | 1 |
| Carp, Peter | Peter Carp | Director | 1992 | 1 | |
| Capovilla, Heide | Heide Capovilla | Director | 1992 | 1 | |
| Coltof, Liesbeth | Liesbeth Coltof | Director | 1991 - 1992 | 14 | 1 |
| Cantor, Max | Max Cantor | Director | 1982 | 1 | |
| Chundela, Jaroslav | Jaroslav Chundela | Director | 1982 | 1 | |
| Crowley, John | John Crowley | Director | 1993 - 1994 | 2 | |
| Cooper, Andrew | Andrew Cooper | Director | 1996 | 1 | |
| Chowdhury, Ajay | Ajay Chowdhury | Director | 1996 | 1 | |
| Cruz, Ulysses | Ulysses Cruz | Director | 1996 | 1 | |
| Connelly, Daniel, Roy | Daniel Roy Connelly | Director | 2014 | 1 | |
| Caffall, Alexandra, Kuechler | Alexandra Kuechler Caffall | Director | 2014 | 1 | |
| Comyn, Annabelle | Annabelle Comyn | Director | 2015 | 1 | |
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