| 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 | |
| Cullen Theater, Wortham Theater Center | Cullen Theater, Wortham Theater Center | United States of America, Houston | 1991-05-22 | 2015-04-04 | 1991–2015 | 2 | |
| Comédie de Colmar - Centre dramatique national Grand Est Alsace | Comédie de Colmar - Centre dramatique national Grand Est Alsace | France, Colmar, 6 Route d'Ingersheim | 1948-04- | 2010-03-23 | 1948–2010 | 2 | |
| Centro Cultural Vila Flor (Pequeno Auditório) | Centro Cultural Vila Flor (Pequeno Auditório) | Portugal, Guimaraes, Av. D. Afonso Henriques 701 | 2007-10-18 | 2007-10-21 | 2007–2009 | 2 | |
| Chapter Arts Centre | Chapter Arts Centre | Wales, Cardiff, Market Road, Canton | 2009-03-24 | 2012-05-26 | 2009–2012 | 2 | |
| Crafton-Preyer Theatre | Crafton-Preyer Theatre | United States of America, Lawrence, KS, 1530 Naismith Dr, | 2000-03-03 | 2015-11-22 | 2000–2015 | 2 | |
| Colony Theatre | Colony Theatre | United States of America, Miami, 1040 Lincoln Rd, Miami Beach, FL | 2017-04-01 | 2017-04-02 | 2017–2020 | 2 | |
| Cleveland Play House | Cleveland Play House | United States of America, Cleveland, 1901 E 13th St | 1922-02-10 | 1922-02-19 | 1922–1926 | 2 | |
| Cutler Majestic Theatre | Cutler Majestic Theatre | United States of America, Boston, 219 Tremont Street | 1908-04-13 | 2011-11-06 | 1908–2011 | 2 | |
| Colonial Theatre | Colonial Theatre | United States of America, Cleveland, 755 Superior Avenue E | 1904-01-20 | 1904-01-23 | 1904–1908 | 2 | |
| CC Ter Vesten | CC Ter Vesten | Belgium, Beveren, Gravenplein 2 | 1998-12-03 | 2008-01-15 | 1998–2008 | 2 | |
| Cagliari | Cagliari | Italy, Cagliari | 1893-03-21 | -- | 1893–1903 | 2 | |
| Činoherní studio | Činoherní studio | Czech Republic, Ústí nad Labem, Varšavská 767 | 1984-05-28 | -- | 1984–2011 | 2 | |
| Center Square Theatre | Center Square Theatre | United States of America, Ashland, Southern Oregon University, 1250 Siskiyou Blvd | 2006-05-11 | 2008-11-16 | 2006–2008 | 2 | |
| Centre culturel Boris Vian | Centre culturel Boris Vian | France, Les Ulis, Rue du Morvan | 1999-01-19 | 2008-03-27 | 1999–2008 | 2 | |
| Center Stage | Center Stage | United States of America, Baltimore, 700 N Calvert St | 1988-03-04 | 2012-10-21 | 1988–2012 | 2 | |
| Canton | Canton | United States of America, Canton | 1903-10-24 | 1903-12-12 | 1903 | 2 | |
| Catania | Catania | Italy, Catania | 1892-06-23 | 1892-06-28 | 1892–1897 | 2 | |
| CC Den Horinck | CC Den Horinck | Belgium, Asse, Noorderlaan 20 | 2000-10-10 | 2008-01-09 | 2000–2008 | 2 | |
| Cultureel Centrum De Bogaard | Cultureel Centrum De Bogaard | Belgium, Sint-Truiden, Capucienessenstraat 8 | 2007-11-12 | -- | 2007–2014 | 2 | |
| Cultuurcentrum Genk | Cultuurcentrum Genk | Belgium, Genk, C-mine 10 bus 2 | 1999-10-27 | 1999-10-27 | 1999–2007 | 2 | |
| Cultuurcentrum Deurne | Cultuurcentrum Deurne | Belgium, Deurne (Antwerpen), Frans Messingstraat 36 | 1999-03-18 | 1999-10-26 | 1999 | 2 | |
| Channel 4, IRIB National TV | Channel 4, IRIB National TV | Iran, Tehran, Jame Jam St | 1998-- | -- | 1998–2006 | 2 | |
| CC Zwaneberg | CC Zwaneberg | Belgium, Heist o/d Berg, Bergstraat z/n, 2220 | 1998-12-10 | -- | 1998–2007 | 2 | |
| CC De Woeker | CC De Woeker | Belgium, Oudenaarde, Woeker 3 | 2002-02-21 | 2007-- | 2002–2007 | 2 | |
| Chandigarh Festival | Chandigarh Festival | India, Chandigarh, Chandigarh | 2010-12-07 | -- | 2010 | 2 | |
| City Opera House | City Opera House | United States of America, Frederick | 1904-04-19 | 1912-02-16 | 1904–1912 | 2 | |
| CC Het Bolwerk | CC Het Bolwerk (Cultuurcentrum Vilvoorde) | Belgium, 1800, Bolwerkstraat 17 | 2002-04-30 | 2002-04-30 | 2002–2007 | 2 | |
| Compania Dramatică Bulandra | Compania Dramatică Bulandra | Romania, Bucharest | 1921-04- | -- | 1921–1922 | 2 | |
| Centre Dramatique National Besançon Franche-Comté | Centre Dramatique National Besançon Franche-Comté | France, Besançon, Avenue Edouard Droz Esplanade Jean-Luc Lagarce | 2007-01-17 | 2008-05-18 | 2007–2008 | 2 | |
| Company OnStage | Company OnStage | United States of America, Houston, 536 Westbury Square | 2005-01-14 | 2012-02-18 | 2005–2012 | 2 | |
| Cultureel en Congrescentrum van Sint-Pieters-Woluwe | Cultureel en Congrescentrum van Sint-Pieters-Woluwe | Belgium, St-Pieters-Woluwe, Avenue Charles Thielemans 93 | 1999-10-20 | 2007-- | 1999–2007 | 2 | |
| Cambridge | Cambridge | United States of America, Cambridge | 1950-04-11 | 1950-04-23 | 1950–1967 | 2 | |
| Coupe d’Or, théâtre de la | Théâtre de la Coupe d’Or | France, Rochefort, 101 Rue de la République | 2000-01-29 | 2018-04-05 | 2000–2018 | 2 | |
| c.c. CasinoKoksijde | c.c. CasinoKoksijde | Belgium, Koksijde, Casinoplein 10/11 | 2007-02-28 | 2007-12-20 | 2007–2009 | 2 | |
| Casa de Cultura Teodoro Cuesta | Casa de Cultura Teodoro Cuesta | Spain, Mieres, Calle Manuel Llaneza, 8 | 2008-10-29 | 2015-03-05 | 2008–2015 | 2 | |
| Comwell Hankø Hotell og Spa | Comwell Hankø Hotell og Spa | Norway, Gressvik, Vikaneveien 405 | 2006-08-11 | -- | 2006–2007 | 2 | |
| CC Adelberg | CC Adelberg | Belgium, Lommel, Adelbergpark 1 | 1998-12-19 | -- | 1998–2007 | 2 | |
| Canberra Repertory Society | Canberra Repertory Society | Australia, Canberra | 1975-07-10 | 2019-03-02 | 1975–2019 | 2 | |
| Caracal | Caracal | Romania, Caracal | 1927-- | 2015-06-28 | 1927–2015 | 2 | |
| Capstone Theatre | Capstone Theatre | England, Liverpool, Shaw Street | 2013-10-07 | 2014-10-13 | 2013–2014 | 2 | |
| City Theatre of Independence | City Theatre of Independence | United States of America, Independence, 201 N Dodgion St | 1988-05-19 | 2003-02-02 | 1988–2003 | 2 | |
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