| Csizmadia, Tibor | Tibor Csizmadia | Director | 2007 | 1 | |
| Cozzubbo, Graham | Graham Cozzubbo | Director | 2003 | 2 | |
| Cooper, John | John Cooper | Director | 2004 | 1 | |
| Cloran, Daryl | Daryl Cloran | Director | 2004 | 1 | |
| Castrillo-Ferrer, Alberto | Alberto Castrillo-Ferrer | Director | 2004 | 2 | |
| Clerke, Peter | Peter Clerke | Director | 2004 | 5 | |
| Catton, Dominique | Dominique Catton | Director | 2004 | 2 | |
| Chissick, Hannah | Hannah Chissick | Director | 2004 | 1 | |
| Cmuntová, Lenka | Lenka Cmuntová | Director | 1957 | 1 | |
| Cozzens, Dan | Dan Cozzens | Director | 2005 | 1 | |
| Case Cook, Karen | Karen Case Cook | Director | 2005 | 1 | |
| Cernescu , Dinu | Dinu Cernescu | Director | 1957 | 1 | |
| Cotten, Jay | Jay Cotten | Director | 2006 | 1 | |
| Carter, Greg | Greg Carter | Director | 2007 | 1 | |
| Chivot, Dominique | Dominique Chivot | Director | 2007 - 2008 | 5 | |
| Condren, Dustin | Dustin Condren | Director | 2006 | 1 | |
| Comerford, Gary | Gary Comerford | Director | 2006 | 1 | |
| Cordeur, William, le | William le Cordeur | Director | 2006 | 1 | |
| Côté, Lorraine | Lorraine Côté | Director | 2009 | 1 | |
| Carroll, Tim | Tim Carroll | Director | 2008 | 1 | |
| Caton, Helen | Helen Caton | Director | 2008 | 1 | |
| Chagas, Walmor | Walmor Chagas | Director | 1965 | 2 | |
| Caselli, Tony | Tony Caselli | Director | 2009 | 1 | |
| Chróinín, Máiréad Ní | Máiréad Ní Chróinín | Director | 2009 | 1 | |
| Conway, Hart | Hart Conway | Director | 1892 | 1 | |
| Cleto, Celso | Celso Cleto | Director | 2009 - 2010 | 10 | |
| Cloos, Hans Peter | Hans Peter Cloos | Director | 2010 | 2 | |
| Chaudhari, Zuleikha | Zuleikha Chaudhari | Director | 2009 | 1 | |
| Cobin, Martin | Martin Cobin | Director | 1965 | 1 | |
| Carlin, Rita | Rita Carlin | Director | 2016 | 1 | |
| Carnwath, Jane | Jane Carnwath | Director | 2010 | 1 | |
| Cirpici, Hüseyin Michael | Hüseyin Michael Cirpici | Director | 2015 | 1 | |
| Crombholz, Cornelia | Cornelia Crombholz | Director | 2013 | 1 | |
| Cabot, Michael | Michael Cabot | Director | 2011 | 50 | |
| Czapski, Dominique | Dominique Czapski | Director | 2012 | 1 | |
| Carlsen , Ian | Ian Carlsen | Director | 2012 | 1 | |
| Ciaravino, Tony | Tony Ciaravino | Director | 2011 | 1 | |
| Croft, Giles | Giles Croft | Director | 2011 | 2 | |
| Costa Giovangigli, Orazio | Orazio Costa Giovangigli | Director | 1963 | 1 | |
| Conradi, Kurt | Kurt Conradi | Director | 1963 | 1 | |
| Chaudhuri, Neel | Neel Chaudhuri | Director | 2012 | 1 | |
| Claridge, Brian | Brian Claridge | Director | 1960 | 1 | |
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