| c.c. CasinoKoksijde | c.c. CasinoKoksijde | Belgium, Koksijde, Casinoplein 10/11 | 2007-02-28 | 2007-12-20 | 2007–2009 | 2 | |
| C.C. De Abdij | C.C. De Abdij | Belgium, Geraardsbergen, Abdijstraat 10 | 2007-12-08 | -- | 2007 | 1 | |
| C.I.Q. - Centro Internazionale di Quartiere | C.I.Q. - Centro Internazionale di Quartiere | Italy, Milano, Via Fabio Massimo, 19, 20139 | 2022-12-09 | -- | 2022 | 1 | |
| Cabaret Theater | Cabaret Theater | United States of America, New York, 155 First Avenue | 2018-08-31 | 2018-09-13 | 2018 | 1 | |
| Cabe Theatre Arts Center, Hendrix College | Cabe Theatre Arts Center, Hendrix College | United States of America, Conway, Washington Ave | 2004-02-25 | 2004-02-28 | 2004 | 1 | |
| Cable Hall | Cable Hall | United States of America, Atlanta | 1914-04-02 | 1914-04-02 | 1914 | 1 | |
| Čadca | Čadca | Slovak Republic, Čadca | 1913-01-13 | -- | 1913 | 1 | |
| Caddebostan Cultural Center (CKM) | Caddebostan Cultural Center (CKM) | Turkey, Istanbul, Caddebostan, Haldun Taner Sk. No:11, 34728 | 2023-11-08 | 2023-11-30 | 2023 | 1 | |
| CAES Torre Pacheco | CAES Torre Pacheco | Spain, Murcia, Paseo Villa Esperanza 13 | 2010-04-17 | -- | 2010 | 1 | |
| Cafe Felix | Cafe Felix | Norway, Oslo, Henrik Ibsens gate 90 | 1992-08-29 | 1993-- | 1992 | 1 | |
| Café Nordica | Café Nordica | Czech Republic, Prague, Zlatnická 10 | 2006-04-08 | 2006-04-08 | 2006 | 1 | |
| Cafè Puig | Teatre Cafè Puig | Spain, Barcelona | 1913-09-20 | -- | 1913 | 1 | |
| CaféTeatret | CaféTeatret | Denmark, Copenhagen, Skindergade 3 | 1988-05-24 | -- | 1988 | 1 | |
| Cagliari | Cagliari | Italy, Cagliari | 1893-03-21 | -- | 1893–1903 | 2 | |
| Cain Park Theatre | Cain Park Theatre | United States of America, Cleveland Heights, Cleveland, 1823 Lee Rd | 1939-08-17 | 1939-08-19 | 1939 | 1 | |
| Caja de Fósforos | La Caja de Fósforos | Venezuela | 2023-09-07 | 2023-09-10 | 2023 | 1 | |
| Čakovec | Čakovec | Croatia, Čakovec | 1908-03-15 | -- | 1908 | 1 | |
| Calcutta | Calcutta | India, West Bengal | 1958-01-10 | 1958-06-11 | 1958 | 1 | |
| Calgary | Calgary | Canada, Calgary | -- | -- | | | |
| California Club | California Club | United States of America, San Francisco | 1906-12-06 | 1906-12-06 | 1906 | 1 | |
| California Institute of the Arts | California Institute of the Arts | United States of America, Valencia, 24700 McBean Pkwy | 2018-11-02 | 2018-11-10 | 2018 | 1 | |
| California Theatre | California Theatre | United States of America, San Francisco, Bush Street | 1899-08-16 | 1905-07-30 | 1899–1905 | 5 | |
| Câlnic | Câlnic | Romania, Câlnic | -- | -- | | | |
| Calumet | Calumet | United States of America, Calumet | 1903-11-23 | 1903-11-23 | 1903 | 1 | |
| Calumet Theatre, The | The Calumet Theatre | United States of America, Calumet Twp, 340 6th St | 2024-05-01 | 2024-05-05 | 2024 | 1 | |
| Cambridge | Cambridge | United States of America, Cambridge | 1950-04-11 | 1950-04-23 | 1950–1967 | 2 | |
| Cambridge Arts Theatre | Cambridge Arts Theatre | England, Cambridge, 6 St Edward's Passage | 1942-11-09 | 2002-04-06 | 1942–2002 | 5 | |
| Cambridge Theatre | Cambridge Theatre | England, London, Earlham St | 1970-06-29 | -- | 1970–1982 | 2 | |
| Campbell Theatre | Campbell Theatre, Kadoma, Zimbabwe | Zimbabwe, Kadoma | 2006-06-28 | -- | 2006 | 1 | |
| Câmpia Turzii | Câmpia Turzii | Romania, Câmpia Turzii | -- | -- | | | |
| Câmpina | Câmpina | Romania, Câmpina | -- | -- | | | |
| Campobasso | Campobasso | Italy, Campobasso | -- | -- | | | |
| Câmpulung Moldovenesc | Câmpulung Moldovenesc | Romania, Câmpulung Moldovenesc | -- | -- | | | |
| Canada | Canada | Canada | 1952-10-16 | -- | 1952–1978 | 12 | |
| Canadian Stage, Berkeley Street Theatre | Canadian Stage, Berkeley Street Theatre | Canada, Toronto, Front St E | 2000-11-16 | 2016-02-07 | 2000–2016 | 2 | |
| Canadian Theatre School | Canadian Theatre School | Canada, Toronto | 1952-05-14 | -- | 1952 | 1 | |
| Canal 13 | Canal 13 | Mexico | 1980-04-16 | -- | 1980 | 1 | |
| Canal House | Canal House | England, Oxford, Bulwarks Ln | 2014-03-29 | 2014-03-30 | 2014 | 1 | |
| Canale 2 | Canale 2 | Italy, Altamura (BA), Via Giovanni Bovio 1, 70022 Altamura (BA) | 1967-05-24 | -- | 1967–1970 | 2 | |
| Canberra | Canberra | Australia, Canberra | -- | -- | | | |
| Canberra Repertory Society | Canberra Repertory Society | Australia, Canberra | 1975-07-10 | 2019-03-02 | 1975–2019 | 2 | |
| Canberra Theatre Centre | Canberra Theatre Centre | Australia, Canberra, Civic Square, London Circuit | 1970-05-14 | 2007-05-26 | 1970–2007 | 4 | |
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