| Činoherní klub | Činoherní klub | Czech Republic, Prague, Ve Smečkách 26 | 1992-03-30 | 1998-01-01 | 1992–1999 | 4 | |
| Century Theatre | Century Theatre | England, London | 1927-01-17 | 1930-05-08 | 1927–1930 | 3 | |
| Cornerstone Arts Centre | Cornerstone Arts Centre | England, Didcot, 25 Station Road | 2014-10-04 | 2014-10-04 | 2014–2018 | 3 | |
| Conservatório Nacional de Teatro | Conservatório Nacional de Teatro | Portugal, Lisbon | 1928-03-20 | -- | 1928 | 3 | |
| Comedy Theatre | Comedy Theatre | United States, New York, 41st St. near 6th Avenue | 1916-05-07 | 1917-05-26 | 1916–1926 | 3 | |
| Celje | Celje | Slovenia, Celje | 1907-05-22 | -- | 1907 | 3 | |
| Cultureel Centrum Maasmechelen | CC Maasmechelen | Belgium, Maasmechelen, Koninginnelaan 42 | 1995-03-24 | -- | 1995–2014 | 3 | |
| Castle, the | The Castle | England, Wellingborough, 10 Castle Way | 2011-03-31 | 2014-10-22 | 2011–2014 | 3 | |
| CC Hasselt | CC Hasselt | Belgium, Hasselt, Kunstlaan 5 | 1992-02-02 | -- | 1992–1995 | 3 | |
| Comédie de Caen - Théâtre des Cordes | Comédie de Caen - Théâtre des Cordes | France, 32 rue des Cordes, Caen | 1973-10-16 | 2013-04-18 | 1973–2013 | 3 | |
| Center Stage Arena Theatre | Center Stage Arena Theatre | United States, Santa Barbara | 1995-05-16 | 2018-09-02 | 1995–2018 | 3 | |
| CC Stroming | CC Stroming | Belgium, Berlare, Dorp 101 | 2002-02-07 | 2008-01-25 | 2002–2008 | 3 | |
| Chequer Mead Arts Centre | Chequer Mead Arts Centre | England, East Grinstead, West Sussex, De La Warr Road | 1999-06-04 | 2011-01-30 | 1999–2018 | 3 | |
| CC Lokeren | CC Lokeren | Belgium, Lokeren, Kerkplein 5 | 1998-12-11 | 1999-10-22 | 1998–2007 | 3 | |
| Civic Repertory Theatre | Civic Repertory Theatre | United States, New York, 107 W. 14th St. (Sixth Ave) | 1926-11-01 | -- | 1926–1928 | 3 | |
| Citadel Theatre | Citadel Theatre | Canada, Edmonton | 1972-03-22 | 1996-10-06 | 1972–1996 | 3 | |
| Cluj-Napoca | Cluj-Napoca | Romania, Cluj-Napoca | 1910-05-06 | -- | 1910–2016 | 3 | |
| Connaught Theatre | Connaught Theatre | England, Worthing, West Sussex, 3 Union Place | 1994-03-08 | 2014-09-25 | 1994–2014 | 3 | |
| Cornouaille, Théâtre de | Théâtre de Cornouaille | France, Quimper, 1 Esplanade François Mitterrand | 2013-05-29 | 2018-11-09 | 2013–2018 | 3 | |
| CSC Repertory Theatre | CSC Repertory Theatre | United States, New York, 136 East 13th Street | 1974-02-14 | 1978-04-02 | 1974–1985 | 3 | |
| Coursive, La (Grand Théâtre) | La Coursive (Grand Théâtre) | France, La Rochelle, 4 Rue St Jean du Pérot | 2008-11-06 | 2019-04-10 | 2008–2019 | 3 | |
| Casino | Casino | Netherlands, Den Bosch | 1956-11-19 | 1989-04-02 | 1956–1992 | 3 | |
| Cygnet New Theatre | Cygnet New Theatre | England, Exeter, Friars Gate | 2003-03-28 | 2008-06-21 | 2003–2007 | 3 | |
| Chanticleer Theatre Club | Chanticleer Theatre Club | England, London | 1945-02-24 | 1945-04-29 | 1945 | 3 | |
| Chestnut Street Opera House | Chestnut Street Opera House | United States, Philadelphia | 1895-03-19 | 1937-02-27 | 1895–1937 | 3 | |
| Chalberg Theatre, Central Lakes College | Chalberg Theatre, Central Lakes College | United States, Brainerd, 501 W College Dr | 2009-04-07 | -- | 2009–2013 | 3 | |
| Chateau Neuf Teaterscenen | Chateau Neuf Teaterscenen | Norway, Oslo, Slemdalsveien 15 | 1987-05-06 | 2014-03-29 | 1987–2014 | 3 | |
| Coye la Forêt, Centre Culturel de | Centre Culturel de Coye la Forêt | France, Coye-la-Forêt, 21 Rue d'Hérivaux | 1985-05-11 | 1997-05-24 | 1985–1997 | 3 | |
| Celldömölk | Celldömölk | Hungary, Celldömölk | 1925-01-09 | -- | 1925–1936 | 3 | |
| Courtyard Theatre | Courtyard Theatre | England, Hereford, Edgar Street | 1999-07-16 | -- | 1999–2018 | 3 | |
| Československý rozhlas Praha | Československý rozhlas Praha | Czech Republic, Prague | 1953-09-28 | 2012-10-06 | 1953–2012 | 3 | |
| Carlo Theatre | Carlo Theatre | United States, Blue Lake, 131 H St. | 2005-11-25 | 2006-09-09 | 2005–2006 | 3 | |
| Comedia Nacional | Comedia Nacional | Uruguay, Montevideo, Ciudad Vieja | 1954-05-21 | -- | 1954–1994 | 3 | |
| Casa da Cerca – Centro de Arte Contemporânea | Casa da Cerca – Centro de Arte Contemporânea | Portugal, Almada, Rua da Cerca | 2016-07-05 | 2017-07-07 | 2016–2017 | 3 | |
| Cultuurcentrum De Herbakker | Cultuurcentrum De Herbakker | Belgium, Eeklo, Pastoor de Nevestraat 10 | 1998-10-22 | -- | 1998–2009 | 3 | |
| Československý rozhlas Brno | Československý rozhlas Brno | Czech Republic, Brno | 1956-05-10 | 2012-09-29 | 1956–1968 | 3 | |
| Casino-Theater | Casino-Theater | Switzerland, Frauenfeld | 1980-03-05 | -- | 1980–2019 | 3 | |
| Chichester Festival Theatre | Chichester Festival Theatre | England, Chichester, West Sussex, A286 | 1970-05-13 | 2016-05-21 | 1970–2016 | 3 | |
| Circa Theatre | Circa Theatre | New Zealand, Te Aro, Wellington, 1 Taranaki Street | 1995-03-10 | 2019-09-02 | 1995–2019 | 3 | |
| Cultuurcentrum Gildhof | Cultuurcentrum Gildhof | Belgium, Tielt, Sint-Michielstraat 9 | 1994-03-30 | -- | 1994–1998 | 3 | |
| Crucible Studio | Crucible Studio | England, Sheffield, South Yorkshire, 55 Norfolk Street | 1976-04-21 | 1999-06-19 | 1976–1999 | 3 | |
| Comédie-Française (Studio-Théâtre) | Comédie-Française (Studio-Théâtre) | France, Paris, 2 Rue de Richelieu | 1921-06-20 | 2006-04-02 | 1921–2006 | 3 | |
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