| Cooke, Richard | Richard Cooke | Costume Designer | 2004 | 1 | |
| Cravens, Mary | Mary Cravens | Costume Designer | 2007 | 1 | |
| Cudmore, Elaine | Elaine Cudmore | Costume Designer | 1956 | 1 | |
| Cunningham, Rebecca | Rebecca Cunningham | Costume Designer | 1987 | 1 | |
| Currie, Helen | Helen Currie | Costume Designer | 1963 | 1 | |
| Carver Sullivan, John | John Carver Sullivan | Costume Designer | 1992 | 1 | |
| Crow, Taylor | Taylor Crow | Costume Designer | 2004 | 1 | |
| Chunleau, Amelie | Amelie Chunleau | Costume Designer | 2009 | 1 | |
| Cole, Elizabeth | Elizabeth Cole | Costume Designer | 1928 | 1 | |
| Covey, Elizabeth | Elizabeth Covey | Costume Designer | 1973 - 1990 | 3 | |
| Caramba, - | - Caramba | Costume Designer | 1928 - 1929 | 5 | |
| Clinton, Jennifer | Jennifer Clinton | Costume Designer | 1998 | 1 | |
| Casey, Michael | Michael Casey | Costume Designer | 1983 | 1 | |
| Craven, David | David Craven | Costume Designer | 1984 | 1 | |
| Chavez, Frank | Frank Chavez | Costume Designer | 2012 | 1 | 1 |
| Cloud, Andrew | Andrew Cloud | Costume Designer | 2013 | 1 | |
| Chervet, Mignon | Mignon Chervet | Costume Designer | 2013 | 1 | |
| Choo, Leonard, Augustine | Leonard Augustine Choo | Costume Designer | 2013 | 1 | |
| Chunyan, Wei | Wei Chunyan | Costume Designer | 2014 - 2020 | 9 | |
| Chwalas, Edeltraud | Edeltraud Chwalas | Costume Designer | 1985 | 1 | |
| Cauchetier, Patrice | Patrice Cauchetier | Costume Designer | 1987 - 2013 | 28 | |
| Cramer, Marie-Theres | Marie-Theres Cramer | Costume Designer | 1987 - 2003 | 43 | |
| Carveth, Susan | Susan Carveth | Costume Designer | 2007 | 1 | |
| Collins, Cherry | Cherry Collins | Costume Designer | 2010 | 1 | |
| Coenen-Ulrich, Sigrid | Sigrid Coenen-Ulrich | Costume Designer | 1965 - 1991 | 2 | |
| Cuykens, Catherine | Catherine Cuykens | Costume Designer | 1992 | 1 | |
| Castellan, Magali | Magali Castellan | Costume Designer | 2012 - 2018 | 16 | |
| Chrul, Irena | Irena Chrul | Costume Designer | 1982 | 1 | |
| Crow, Laura | Laura Crow | Costume Designer | 1980 - 2001 | 3 | |
| Campagna, Riccardo | Riccardo Campagna | Costume Designer | 1995 | 1 | |
| Confino, Ofra | Ofra Confino | Costume Designer | 1996 - 2010 | 2 | |
| Cruz, Letty | Letty Cruz | Costume Designer | 1995 | 1 | |
| Culligan, Mary Anna | Mary Anna Culligan | Costume Designer | 1998 | 1 | |
| Ciarrocchi, Dafne | Dafne Ciarrocchi | Costume Designer | 1969 | 2 | |
| Cabedo, Rocio | Rocio Cabedo | Costume Designer | 2004 - 2006 | 34 | |
| Campbell, Faith | Faith Campbell | Costume Designer | 1967 | 1 | |
| Caton, Warren | Warren Caton | Costume Designer | 1966 | 1 | |
| Colt, Alvin | Alvin Colt | Costume Designer | 1955 - 1965 | 3 | |
| Cook, Patricia | Patricia Cook | Costume Designer | 1965 | 1 | |
| Carpenter, Cassandra | Cassandra Carpenter | Costume Designer | 2002 | 1 | |
| Childe, Raymond | Raymond Childe | Costume Designer | 2002 | 1 | |
| Czasa, Zofia | Zofia Czasa | Costume Designer | 2002 | 1 | |
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