| CC Hof Ter Straeten | CC Hof Ter Straeten (Cultuurcentrum Hof Ter Straeten) | Belgium, Varsenare, Hof van Straeten 1 | 2006-12-08 | -- | 2006 | 1 | |
| Community Centre, Rathangan, The | The Community Centre, Rathangan | Ireland, Co. Kildare | 2007-03-28 | -- | 2007 | 1 | |
| Centro Cívico Teodoro Sánchez Punter | Centro Cívico Teodoro Sánchez Punter | Spain, Zaragoza, Plaza Mayor, 3 | 2014-11-27 | 2014-11-28 | 2014 | 1 | |
| Centre des Arts Pluriels | Centre des Arts Pluriels | Luxembourg, Ettelbruck, Centre des Arts Pluriels Ed. Juncker 1, Place Marie-Adélaïde | 2006-01-20 | -- | 2006 | 1 | |
| Comédie de Béthune, La | La Comédie de Béthune | France, Béthune, 138 Rue du 11 Novembre | 2010-11-30 | 2010-12-10 | 2010 | 1 | |
| Classic Theatre, The | The Classic Theatre | United States of America, San Antonio, 1924 Fredericksburg Rd | 2017-11-03 | 2017-11-26 | 2017 | 1 | |
| Cristuru Secuiesc | Cristuru Secuiesc | Romania, Cristuru Secuiesc | 1911-06-09 | -- | 1911 | 1 | |
| Compagnietheater | Compagnietheater | Netherlands, Amsterdam, Kloveniersburgwal 50 | 2008-01-22 | 2008-03-28 | 2008 | 1 | |
| Cercle d'Emulation | Cercle d'Emulation | Belgium, Liège | 1893-12- | -- | 1893 | 1 | |
| Classical Theatre Company | Classical Theatre Company | United States of America, Houston, 4617 Montrose Blvd | 2016-02-03 | 2016-02-21 | 2016 | 1 | |
| Compania Mărioara Voiculescu-Bulandra | Compania Mărioara Voiculescu-Bulandra | Romania, Bucharest | 1916-01-13 | -- | 1916 | 1 | |
| Cumbernauld Theatre | Cumbernauld Theatre | Scotland, Cumbernauld, Kildrum | 2015-06-19 | 2015-06-20 | 2015 | 1 | |
| Centre Dramatique National des Alpes - Maison de la Culture de Grenoble | Centre Dramatique National des Alpes - Maison de la Culture de Grenoble | France, Grenoble, 24 Rue des Trembles | 1976-04-07 | 1976-04-30 | 1976 | 1 | |
| Concordia University Theatre | Concordia University Theatre | United States of America, Irvine | 1998-10-30 | -- | 1998 | 1 | |
| Centre Dramatique National de Reims | Centre Dramatique National de Reims | France, 51100 Reims, 3 Chaussée Bocquaine | 2023-12-13 | 2023-12-15 | 2023 | 1 | |
| Coger Theatre | Coger Theatre | United States of America, Springfield, 1147 Grand Street | 2006-02-23 | 2006-02-28 | 2006 | 1 | |
| Calumet | Calumet | United States of America, Calumet | 1903-11-23 | 1903-11-23 | 1903 | 1 | |
| Comédie Française | Comédie Française | France, Paris, 1 Place Colette | 1936-04-02 | -- | 1936 | 1 | |
| Centro Cultural Virgen Del Carmen | Centro Cultural Virgen Del Carmen | Spain, Alicante, 03182 Torrevieja | 2021-11-21 | 2021-11-21 | 2021 | 1 | |
| Cultuurcentrum De Steiger Menen | Cultuurcentrum De Steiger Menen | Belgium, Menen, Waalvest 1 | 2007-11-09 | -- | 2007 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Castelfranco Piandiscò, Via Roma, 36 | 2017-02-21 | -- | 2017 | 1 | |
| Centro Cultural de la Villa (Ibi) | Centro Cultural de la Villa (Ibi) | Spain, Ibi | 2005-01-28 | 2005-01-28 | 2005 | 1 | |
| Centrul Cultural "Mihai Eminescu" | Centrul Cultural "Mihai Eminescu" | Romania, Târgu Mureș, Str.Nicolae Grigorescu nr.19 | 2013-12-03 | 2013-12-18 | 2013 | 1 | |
| Compania Excelsior | Compania Excelsior | Romania, Bucharest | 1920-- | -- | 1920 | 1 | |
| Center Theatre at Seattle Center | Center Theatre at Seattle Center | United States of America, Seattle, 305 Harrison St | 2013-01-02 | 2013-01-27 | 2013 | 1 | |
| Curtis High School | Curtis High School | United States of America, Staten Island, 105 Hamilton Ave | 2006-10-03 | -- | 2006 | 1 | |
| CaféTeatret | CaféTeatret | Denmark, Copenhagen, Skindergade 3 | 1988-05-24 | -- | 1988 | 1 | |
| Cultuurcentrum MUZE | Cultuurcentrum MUZE | Belgium, Heusden-Zolder, Dekenstraat 40 | 2007-12-20 | -- | 2007 | 1 | |
| Circle Theater Company | Circle Theater Company | United States of America, Manhattan, Broadway and 83rd street | 1973-04-15 | -- | 1973 | 1 | |
| Churchill Theatre | Churchill Theatre | England, Bromley, High St | 2003-04-08 | 2003-04-12 | 2003 | 1 | |
| Crawford Theatre | Crawford Theatre | United States of America, Wichita | 1903-05-23 | 1903-05-23 | 1903 | 1 | |
| College of Marin Studio Theatre Performing Arts Building Kentfield Campus | College of Marin Studio Theatre Performing Arts Building Kentfield Campus | United States of America, Kentfield, 15 Laurel Ave, Kentfield, CA 94904, United States | 2023-11-24 | 2023-12-10 | 2023 | 1 | |
| Centre Culturel de la Région de Mons | Centre Culturel de la Région de Mons | Belgium, Mons, Grand-Place 18 | 1997-04-24 | 1997-04-25 | 1997 | 1 | |
| Chopin Theatre | Chopin Theatre | United States of America, Chicago, 1543 West Division Street | 2004-04-22 | 2004-05-30 | 2004 | 1 | |
| Comprehensive School | Comprehensive School | Ireland, Glenties | 1980-03-21 | 1980-03-22 | 1980 | 1 | |
| Centre Culturel André Malraux | Centre Culturel André Malraux | France, Vandoeuvre, Nancy, Rue de Parme | 2000-03-06 | -- | 2000 | 1 | |
| Cultuurcentrum Temse | Cultuurcentrum Temse | Belgium, Temse, 16-17 Frans Boelplein 1 | 2002-01-16 | 2002-01-18 | 2002 | 1 | |
| China Central Academy of Theatre | China Central Academy of Theatre | China, Beijing, 39# Dong Mianhua Hutong, Dongcheng Dist., Beijing, China | 1983-05-29 | -- | 1983 | 1 | |
| Château de Noirmoutier | Château de Noirmoutier | France, Noirmoutier-en-l'Île, Place d'Armes | 1972-07-17 | 1972-08-06 | 1972 | 1 | |
| CC De Kaekelaar | CC De Kaekelaar | Belgium, Schoten, Verbertstraat 7 | 2007-11-21 | -- | 2007 | 1 | |
| Craiova | Craiova | Romania, Craiova | 1907-- | -- | 1907 | 1 | |
| Club Joplin | Club Joplin | United States of America, Webb City | 1908-10-20 | 1908-10-21 | 1908 | 1 | |
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