| Cantabile 2 | Cantabile 2 | Denmark, Stege, Kostervej 2b | 2013-09-23 | -- | 2013 | 1 | |
| Crucible Theatre | Crucible Theatre | England, Sheffield, 55 Norfolk St | 2010-02-11 | 2010-03-20 | 2010 | 1 | |
| Comédie de Genève, La | La Comédie de Genève | Switzerland, Geneva, Boulevard des Philosophes 6 | 1915-11-16 | 2005-03-20 | 1915–2005 | 7 | |
| Coteana | Coteana | Romania, Coteana | -- | -- | | | |
| Centro Cultural e Congressos de Caldas da Rainha | Centro Cultural e Congressos de Caldas da Rainha | Portugal, Caldas da Rainha, R. Dr. Leonel Sotto Mayor | 2009-08-21 | 2009-08-22 | 2009 | 1 | |
| Chakana Entertainment Centre | Chakana Entertainment Centre | Malawi, Nkhata Bay | 2006-06-11 | -- | 2006 | 1 | |
| Center Theatre at Seattle Center | Center Theatre at Seattle Center | United States, Seattle, 305 Harrison St | 2013-01-02 | 2013-01-27 | 2013 | 1 | |
| Casino Llanes | Casino Llanes | Spain, Llanes, Calle Castillo, 3 | 2017-04-21 | -- | 2017 | 1 | |
| CC Den Blank | CC Den Blank (Cultuurcentrum Den Blank) | Belgium, Overijse, Begijnhof 11 | 2006-12-05 | -- | 2006 | 1 | |
| Curtis High School | Curtis High School | United States, Staten Island, 105 Hamilton Ave | 2006-10-03 | -- | 2006 | 1 | |
| Cinema Kiev | Cinema Kiev | Ukraine, Kiev, str. Chervonoarmiyska, 19 | 2017-11-07 | 2017-11-07 | 2017 | 1 | |
| Centrepoint Theatre | Centrepoint Theatre | New Zealand, Palmerston North, 280 Church Street | 2004-08-28 | 2004-09-25 | 2004 | 1 | |
| Československý rozhlas Brno | Československý rozhlas Brno | Czech Republic, Brno | 1956-05-10 | 2012-09-29 | 1956–1968 | 3 | |
| CC Adelberg | CC Adelberg | Belgium, Lommel, Adelbergpark 1 | 1998-12-19 | -- | 1998–2007 | 2 | |
| Crotone | Crotone | Italy, Crotone | -- | -- | | | |
| Cowshed Theatre | Cowshed Theatre | Australia, Townsville, 101 Angus Smith Drive, James Cook University | 1995-09-21 | 1995-09-30 | 1995 | 1 | |
| Cinema Teatro Odeon | Cinema Teatro Odeon | Italy, Roseto degli Abruzzi Abruzzo, V. Nazionale SNC | 2008-02-22 | -- | 2008 | 1 | |
| Circle Theater Company | Circle Theater Company | United States, Manhattan, Broadway and 83rd street | 1973-04-15 | -- | 1973 | 1 | |
| Changchun Public Theatre | Changchun Public Theatre | China, Changchun, Nanguan Distric, Changchun City, Jilin Province | 2018-07-05 | 2018-07-07 | 2018 | 1 | |
| Cultuurcentrum Brugge | Cultuurcentrum Brugge | Belgium, Brugge, Sint-Jakobsstraat 20 | 2007-12-18 | -- | 2007 | 1 | |
| Cankarjev Dom | Cankarjev Dom | Slovenia, Ljubljana | 2011-02-10 | 2011-02-11 | 2011 | 1 | |
| Chur | Chur | Switzerland, Chur | 2003-01-30 | -- | 2003 | 1 | |
| College Theatre | College Theatre | United States, Chicago | 1907-12-10 | 1907-12-10 | 1907 | 1 | |
| Cort Theatre | Cort Theatre | United States, New York, 138 W 48th St | 1948-02-16 | 1948-03-06 | 1948 | 2 | |
| Cuciulata | Cuciulata | Romania, Cuciulata | -- | -- | | | |
| City Lit (John Lyons Hall) | City Lit (John Lyons Hall) | England, London, Keeley Street Covent Garden | 2008-07-12 | 2008-07-27 | 2008 | 1 | |
| Centrul Cultural Municipal "George Coşbuc" Bistriţa | Centrul Cultural Municipal "George Coşbuc" Bistriţa | Romania, str. Albert Berger, nr. 10 | 2011-03-28 | -- | 2011 | 1 | |
| Concordia University Texas (School of Fine Arts) | Concordia University Texas (School of Fine Arts) | United States, Office C-206 | 512.313.5410 11400 Concordia University Dr. Austin, TX 78726 | 2016-11-04 | 2016-11-14 | 2016 | 1 | |
| Cool | Cool | Netherlands, Heerhugowaard, Coolplein 1 | 2009-11-13 | -- | 2009 | 1 | |
| China Experimental Theatre | China Experimental Theatre | China, Shanghai | 1998-04-01 | -- | 1998–2001 | 2 | |
| Cottesloe Theatre | Cottesloe Theatre | England, London, Stage Door Avenue | 1987-05-06 | 2009-04-29 | 1987–2009 | 2 | |
| Court House, The | The Court House | England, Eastleigh, Leigh Road | 2015-01-08 | 2015-01-10 | 2015 | 1 | |
| Cultuurcentrum De Borre | Cultuurcentrum De Borre | Belgium, Bierbeek, Speelpleinsstraat 10 | 1999-03-23 | 1999-03-23 | 1999–2007 | 2 | |
| Copley Theatre | Copley Theatre | United States, Boston, 225 Clarendon St | 1917-04-16 | -- | 1917 | 1 | |
| Canton | Canton | United States, Canton | 1903-10-24 | 1903-12-12 | 1903 | 2 | |
| Catharinakapel | Catharinakapel | Netherlands, Harderwijk, Klooster 1 | 2005-01-07 | -- | 2005 | 1 | |
| Centro Cultural Matucana 100 | Centro Cultural Matucana 100 | Chile, Santiago, Avenida Matucana 100 | 2007-01-17 | 2007-03-24 | 2007 | 1 | |
| Cuneo | Cuneo | Italy, Cuneo | 1934-05-01 | 1934-05-02 | 1934 | 1 | |
| Chrzanów | Chrzanów | Poland, Chrzanów | -- | -- | | | |
| Casa de Cultură Miercurea Ciuc | Casa de Cultură Miercurea Ciuc | Romania, Miercurea Ciuc | 2018-05-06 | 2018-05-06 | 2018 | 1 | |
| Canadian Theatre School | Canadian Theatre School | Canada, Toronto | 1952-05-14 | -- | 1952 | 1 | |
| Center for Remembering and Sharing | Center for Remembering and Sharing | United States, New York, 123 4th Ave | 2006-04-14 | 2006-05-07 | 2006 | 1 | |
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