| Civic Hall | Civic Hall | England, Stratford-upon-Avon, 14 Rother Street | 2006-03-29 | 2006-04-01 | 2006 | 1 | |
| Civic Repertory Theatre | Civic Repertory Theatre | United States of America, New York, 107 W. 14th St. (Sixth Ave) | 1926-11-01 | -- | 1926–1928 | 3 | |
| Civic Theatre | Civic Theatre | England, Darlington, Parkgate | 2004-02-24 | 2004-02-28 | 2004 | 1 | |
| Clark Center for the Performing Arts | Clark Center for the Performing Arts | United States of America, Arroyo Grande, 487 Fair Oaks Avenue | 1972-09-30 | 1972-10-09 | 1972 | 1 | |
| Clark Street Playhouse | Clark Street Playhouse | United States of America, Arlington, 601 S Clark St | 2008-02-07 | 2008-03-09 | 2008 | 1 | |
| Clark Theatre, Dillingham Center | Clark Theatre, Dillingham Center | United States of America, Ithaca, 953 Danby Rd | 2007-10-02 | 2007-10-07 | 2007 | 1 | |
| Clarksburg | Clarksburg | United States of America, Clarksburg | 1903-11-25 | 1903-11-25 | 1903 | 1 | |
| Classic Stage Company | Classic Stage Company | United States of America, New York, 136 E 13th St | 1981-11-08 | 2016-06-27 | 1981–2016 | 7 | |
| Classic Theatre, The | The Classic Theatre | United States of America, San Antonio, 1924 Fredericksburg Rd | 2017-11-03 | 2017-11-26 | 2017 | 1 | |
| Classical Theatre Company | Classical Theatre Company | United States of America, Houston, 4617 Montrose Blvd | 2016-02-03 | 2016-02-21 | 2016 | 1 | |
| Claustro de San Augustin | Claustro de San Augustin | Spain, Malaga, Calle San Agustín | 1991-07-24 | -- | 1991 | 1 | |
| Clavering Village Hall | Clavering Village Hall | England, Clavering, Saffron Walden, Hill Green | 2001-02-22 | 2001-02-24 | 2001 | 1 | |
| Cleveland Play House | Cleveland Play House | United States of America, Cleveland, 1901 E 13th St | 1922-02-10 | 1922-02-19 | 1922–1926 | 2 | |
| Clifford E. White Theater, The | The Clifford E. White Theater | United States of America, Flagstaff, 1115 S Knoles Dr | 2022-10-20 | 2022-10-23 | 2022 | 1 | |
| Cloquet | Cloquet | United States of America, Cloquet | -- | -- | | | |
| Close Theatre Club | Close Theatre Club | Scotland, Glasgow | 1968-09-25 | 1968-10-13 | 1968 | 1 | |
| Club Joplin | Club Joplin | United States of America, Webb City | 1908-10-20 | 1908-10-21 | 1908 | 1 | |
| Cluj-Napoca | Cluj-Napoca | Romania, Cluj-Napoca | 1910-05-06 | -- | 1910–2016 | 3 | |
| Clurman Theatre at Theatre Row | Clurman Theatre at Theatre Row | United States of America, New York, 412 W 42nd St | 2010-05-09 | 2021-11-20 | 2010–2021 | 2 | |
| Clwyd Theatr Cymru | Clwyd Theatr Cymru | Wales, Mold, Raikes Lane | 1993-11-01 | 2015-10-18 | 1993–2014 | 4 | |
| CMWS Hall Kildare | CMWS Hall Kildare | Ireland | 2019-03-04 | 2019-03-04 | 2019 | 1 | |
| Coal Mine Theatre | Coal Mine Theatre | Canada, Toronto, 2076 Danforth Ave | 2024-05-05 | 2024-05-26 | 2024 | 1 | |
| Cobia de Jos | Cobia de Jos | Romania, Cobia de Jos | -- | -- | | | |
| Cochrane Theatre | Cochrane Theatre | England, WC1B 4AP, Southampton Row | 2009-11-05 | 2009-11-07 | 2009 | 1 | |
| Codarts | Codarts | Netherlands, Rotterdam | 2023-04-27 | 2023-04-27 | 2023 | 1 | |
| Coger Theatre | Coger Theatre | United States of America, Springfield, 1147 Grand Street | 2006-02-23 | 2006-02-28 | 2006 | 1 | |
| Cohen Family Studio Theatre, University of Cincinnati College | Cohen Family Studio Theatre, University of Cincinnati College | United States of America, Cincinnati, 290 CCM Blvd | 2006-04-27 | 2006-04-29 | 2006 | 1 | |
| Cohoes | Cohoes | United States of America, Cohoes | 1903-10-03 | 1903-10-03 | 1903 | 1 | |
| Colden Center, Queens College of The City University of New York | Colden Center, Queens College of The City University of New York | United States of America, Flushing, 65-30 Kissena Boulevard | 1963-07-19 | 1963-07-27 | 1963 | 1 | |
| Coldwater | Coldwater | United States of America, Coldwater | 1903-12-02 | 1903-12-02 | 1903 | 1 | |
| Cole Auditorium | Cole Auditorium (Fine Arts Building) | United States of America, Clarkston, GA 30021, 3759-3773 Memorial College Ave | 2025-02-28 | 2025-05-09 | 2025 | 1 | |
| Colegio Mayor Francisco Franco | Colegio Mayor Francisco Franco | Spain, Madrid, Avenida Seneca 12, Madrid | 1963-10-28 | -- | 1963 | 1 | |
| Colegio Médico de Los Ángeles | Colegio Médico de Los Ángeles | Chile, Los Ángeles, Calle San Martin 290, Of 11, | 2011-11- | -- | 2011 | 1 | |
| Colegio Santiago College | Colegio Santiago College | Chile, Santiago, Avenida Los Leones | 2012-08- | -- | 2012 | 1 | |
| Colgate University Theater | Colgate University Theater | United States of America, Hamilton, 13 Oak Drive | 1981-04-22 | 1981-04-25 | 1981 | 1 | |
| Coliseo | Coliseo | Spain, Salamanca, Calle del doctor Riesco (calle Toro) | 1928-09-15 | 1928-09-21 | 1928 | 1 | |
| Coliseum | Coliseum | Wales, Aberdare, Mount Pleasant | 2011-05-05 | -- | 2011 | 1 | |
| Coliseum Theatre | Coliseum Theatre | England, Oldham, Lancashire, Fairbottom St | 2006-04-04 | 2006-04-05 | 2006 | 1 | |
| Coliséum, Théâtre | Théâtre Coliséum | France, Paris, 65 rue de Rochechouart | -- | -- | | | |
| College Auditorium at Oklahoma A. and M. College | College Auditorium at Oklahoma A. and M. College | United States of America, Stillwater | 1920-03-25 | -- | 1920 | 2 | |
| College Community Center Theatre | College Community Center Theatre | United States of America, Baltimore | 2013-10-17 | 2013-10-22 | 2013 | 1 | |
| College Hall, University of South Australia | College Hall, University of South Australia | Australia, Adelaide, University of South Australia | 1961-12-14 | 1961-12-15 | 1961 | 1 | |
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