| Cossins, James | James Cossins | Actor | 1958 | 1 | |
| Coßmann, Carl | Carl Coßmann | Actor | 1897 | 1 | |
| Cossovel, Eduard | Eduard Cossovel | Actor | 1934 - 1948 | 2 | |
| Costa Giovangigli, Orazio | Orazio Costa Giovangigli | Director | 1943 - 1963 | 5 | |
| Costa, Crystal | Crystal Costa | Dancer | 2020 | 1 | |
| Costa, Salvatore | Salvatore Costa | Actor | 2013 | 1 | |
| Costa, Carles | Carles Costa | Translator | 1893 - 1903 | 4 | |
| Costa, Claire | Claire Costa | Producer | 2023 - 2024 | 16 | |
| Costa, Diego | Diego Costa | Designer | 2004 | 2 | |
| Costa, Enrique | Enrique Costa | Actor | 1994 | 1 | |
| Costa, Ernesto | Ernesto Costa | Lighting Designer | 1997 - 1998 | 3 | |
| Costa, Heinz | Heinz Costa | Actor | 1928 | 1 | |
| Costa, Ivan | Ivan Costa | Actor | 1952 | 1 | |
| Costa, Jaume | Jaume Costa | Dancer | 2015 | 2 | |
| Costa, Julia | Julia Costa | Actor | 1964 - 1968 | 2 | 1 |
| Costa, Kevin | Kevin Costa | Director | 2008 | 1 | |
| Costa, Marcelo Farias | Marcelo Farias Costa | Actor, Director | 1994 | 2 | |
| Costa, Maria | Maria Costa | Actor | 1896 | 1 | |
| Costa, Martin | Martin Costa | Actor | 1933 - 1972 | 4 | |
| Costa, Nathaniel | Nathaniel Costa | Actor | 2010 | 1 | |
| Costa, Oderson, Brasil | Oderson Brasil Costa | Lighting Designer | 1966 | 1 | |
| Costa, Perla | Perla Costa | Actor | 1979 | 1 | |
| Costa, Raquel | Raquel Costa | Actor | 1985 | 1 | |
| Costa, Tony | Tony Costa | Actor | 1973 | 1 | |
| Costa, Túlio | Túlio Costa | Designer | 1965 - 1969 | 4 | |
| Costa, Tullio | Tullio Costa | Costume Designer, Designer | 1943 - 1951 | 6 | |
| Costa, Valeria | Valeria Costa | Costume Designer, Designer | 1943 - 1963 | 10 | |
| Costagliola, Michael | Michael Costagliola | Composer | 2019 | 1 | |
| Costantini, Giuditta | Giuditta Costantini | Actor | 2018 | 2 | |
| Costanzo, Doriana | Doriana Costanzo | Actor | 2018 | 2 | |
| Costas, Anna | Anna Costas | Actor | 1970 | 1 | |
| Coste, Hilde | Hilde Coste | Actor | 1919 | 2 | |
| Costea, Bogdan | Bogdan Costea | Designer | 2015 - 2016 | 6 | |
| Costello, Brian, A. | Brian A. Costello | Actor | 2008 | 1 | |
| Costello, Bridget | Bridget Costello | Actor | 1992 | 1 | |
| Costello, Jeryl Ann | Jeryl Ann Costello | Actor | 1997 | 1 | |
| Costello, Kate | Kate Costello | Actor | 2002 | 1 | |
| Costello, Leah | Leah Costello | Actor | 2010 | 1 | |
| Costello, Ward | Ward Costello | Actor | 1959 | 1 | 1 |
| Costerg, Thomas | Thomas Costerg | Sound Designer | 2000 | 1 | |
| Costigan, James | James Costigan | Actor, Adaptation | 1959 - 1982 | 2 | |
| Costigan, Ken | Ken Costigan | | | | 1 |
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