| Clarksburg | Clarksburg | United States, Clarksburg | 1903-11-25 | 1903-11-25 | 1903 | 1 | |
| CC Hof Ter Straeten | CC Hof Ter Straeten (Cultuurcentrum Hof Ter Straeten) | Belgium, Varsenare, Hof van Straeten 1 | 2006-12-08 | -- | 2006 | 1 | |
| Canadian Stage, Berkeley Street Theatre | Canadian Stage, Berkeley Street Theatre | Canada, Toronto, Front St E | 2000-11-16 | 2016-02-07 | 2000–2016 | 2 | |
| Československý rozhlas Brno | Československý rozhlas Brno | Czech Republic, Brno | 1956-05-10 | 2012-09-29 | 1956–1968 | 3 | |
| Claustro de San Augustin | Claustro de San Augustin | Spain, Malaga, Calle San Agustín | 1991-07-24 | -- | 1991 | 1 | |
| Celldömölk | Celldömölk | Hungary, Celldömölk | 1925-01-09 | -- | 1925–1936 | 3 | |
| CC De Meent | CC De Meent (Cultural Center) | Belgium, Beersel, Gemeenveldstraat 34 | 2000-10-09 | 2008-01-11 | 2000–2008 | 2 | |
| Centre d'Art et de Culture | Centre d'Art et de Culture | France, Meudon, 15 Boulevard des Nations Unies | 2003-02-28 | 2003-03-02 | 2003 | 1 | |
| Centro Cultural Matucana 100 | Centro Cultural Matucana 100 | Chile, Santiago, Avenida Matucana 100 | 2007-01-17 | 2007-03-24 | 2007 | 1 | |
| Chochiku | Chochiku | Japan, Tokyo | -- | -- | | | |
| Chiswick Town Hall | Chiswick Town Hall | England, Chiswick, London, Heathfield Terrace, Turnham Green | 1956-06-09 | -- | 1956 | 1 | |
| Čadca | Čadca | Slovak Republic, Čadca | 1913-01-13 | -- | 1913 | 1 | |
| Colegio Santiago College | Colegio Santiago College | Chile, Santiago, Avenida Los Leones | 2012-08- | -- | 2012 | 1 | |
| Colonial Theatre | Colonial Theatre | United States, Boston, 106 Boylston St | 1904-02-26 | 1904-02-27 | 1904–1946 | 6 | |
| Ciudad Real | Ciudad Real | Spain, Ciudad Real | 2010-03-25 | -- | 2010 | 1 | |
| Centro Ágora | Centro Ágora | Spain, A Coruña, Lugar da, Av. Gramela, 17 | 2017-11-30 | 2018-03-15 | 2017 | 1 | |
| Casino de Montbenon, Le | Le Casino de Montbenon | Switzerland, Lausanne, Allée Ernest-Ansermet 3 | 2008-09-10 | 2008-09-13 | 2008 | 1 | |
| Corrosia | Corrosia | Netherlands, Almere, Markt 43 | 2016-03-22 | -- | 2016–2017 | 2 | |
| City Lights Theater Company | City Lights Theater Company | United States, San Jose, 529 S Second St | 2013-03-21 | 2013-04-21 | 2013 | 1 | |
| Curitiba | Curitiba | Brazil, Curitiba | 2005-04- | 2008-08-03 | 2005–2008 | 2 | |
| Cherry Lane Theatre | Cherry Lane Theatre | United States, New York, 38 Commerce St | 1950-05-25 | -- | 1950 | 1 | |
| Celje | Celje | Slovenia, Celje | 1907-05-22 | -- | 1907 | 3 | |
| Centrál színház | Centrál színház | Hungary, Budapest, Révay u. 18 | 2018-09-23 | -- | 2018 | 1 | |
| Connaught Theatre | Connaught Theatre | England, Worthing, West Sussex, 3 Union Place | 1994-03-08 | 2014-09-25 | 1994–2014 | 3 | |
| Casa de Cultură a Studenților | Casa de Cultură a Studenților | Romania, Cluj-Napoca, Piaţa Lucian Blaga 1-3 | 2012-04-20 | -- | 2012 | 1 | |
| Caxton theatre and Arts Centre | Caxton theatre and Arts Centre | England, Grimsby, Cleethorpe Road Great Grimsby | 1985-02-07 | -- | 1985 | 1 | |
| Castellum Theater | Castellum Theater | Netherlands, Alphen aan Den Rijn, Rijnplein 3 | 2009-11-26 | -- | 2009 | 1 | |
| Compania Mărioara Voiculescu-Bulandra | Compania Mărioara Voiculescu-Bulandra | Romania, Bucharest | 1916-01-13 | -- | 1916 | 1 | |
| Central City Opera House | Central City Opera House | United States, Denver, 124 Eureka Street, Central City | 1937-07-17 | 1937-08-07 | 1937 | 1 | |
| Chunfeng She | アトリエ春風舎 | Japan, Tokyo | 2013-10-25 | 2013-10-31 | 2013 | 1 | |
| Cotswold Playhouse | Cotswold Playhouse | England, Stroud, Gloucestershire, Parliament St | 2012-11-09 | 2012-11-17 | 2012 | 1 | |
| Cultuurcentrum de Brouckere | Cultuurcentrum de Brouckere | Belgium, Torhout, Aartrijkestraat 6 | 1999-03-22 | 1999-10-25 | 1999 | 2 | |
| 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 | |
| Coventry | Coventry | England, Coventry | -- | -- | | | |
| Cultuurcentrum De Herbakker | Cultuurcentrum De Herbakker | Belgium, Eeklo, Pastoor de Nevestraat 10 | 1998-10-22 | -- | 1998–2009 | 3 | |
| Customs House, The | The Customs House | England, Tyne and Wear, South Shields | 2014-10-06 | 2014-10-06 | 2014 | 1 | |
| Charter Theatre | Charter Theatre | England, Preston, Guild Hall, Lancaster Rd | 2011-04-15 | 2011-04-16 | 2011 | 1 | |
| Cicignon Barne- og Ungdomskole | Cicignon Barne- og Ungdomskole | Norway, Fredrikstad, Fredrikstad | 2006-11-14 | -- | 2006 | 1 | |
| CAES Torre Pacheco | CAES Torre Pacheco | Spain, Murcia, Paseo Villa Esperanza 13 | 2010-04-17 | -- | 2010 | 1 | |
| Centro Cívico Teodoro Sánchez Punter | Centro Cívico Teodoro Sánchez Punter | Spain, Zaragoza, Plaza Mayor, 3 | 2014-11-27 | 2014-11-28 | 2014 | 1 | |
| Cumnock School | Cumnock School | United States, Los Angeles | 1911-06-02 | 1911-06-02 | 1911 | 1 | |
| Classic Theatre, The | The Classic Theatre | United States, San Antonio, 1924 Fredericksburg Rd | 2017-11-03 | 2017-11-26 | 2017 | 1 | |
|
|
