| Curitiba | Curitiba | Brazil, Curitiba | 2005-04- | 2008-08-03 | 2005–2008 | 2 | |
| Centro Cultural Matucana 100 | Centro Cultural Matucana 100 | Chile, Santiago, Avenida Matucana 100 | 2007-01-17 | 2022-11-20 | 2007–2022 | 2 | |
| Csongrád | Csongrád | Hungary, Csongrád | 1936-11-01 | -- | 1936 | 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 | |
| Cultuurcentrum 't Getouw | Cultuurcentrum 't Getouw | Belgium, Mol, Smallestraat 2 | 2002-01-21 | 2002-03-06 | 2002 | 2 | |
| Citadel Theatre | Citadel Theatre | Canada, Edmonton | 1972-03-22 | 1996-10-06 | 1972–1996 | 3 | |
| Center for Remembering and Sharing | Center for Remembering and Sharing | United States of America, New York, 123 4th Ave | 2006-04-14 | 2006-05-07 | 2006 | 1 | |
| Compania Excelsior | Compania Excelsior | Romania, Bucharest | 1920-- | -- | 1920 | 1 | |
| Crotone | Crotone | Italy, Crotone | -- | -- | | | |
| Cuneo | Cuneo | Italy, Cuneo | 1934-05-01 | 1934-05-02 | 1934 | 1 | |
| Crawford Theatre | Crawford Theatre | United States of America, Wichita | 1903-05-23 | 1903-05-23 | 1903 | 1 | |
| Cordes Hall | Cordes Hall | England, Sunninghill, Berkshire, 2 High Street | 2002-05-09 | 2002-05-18 | 2002 | 1 | |
| Cafè Puig | Teatre Cafè Puig | Spain, Barcelona | 1913-09-20 | -- | 1913 | 1 | |
| Canal 13 | Canal 13 | Mexico | 1980-04-16 | -- | 1980 | 1 | |
| Comunale, Teatro | Teatro Comunale | Italy, Treviso, Corso del Popolo, 31 | 2018-02-23 | 2018-02-25 | 2018 | 1 | |
| Canal House | Canal House | England, Oxford, Bulwarks Ln | 2014-03-29 | 2014-03-30 | 2014 | 1 | |
| Champaign | Champaign | United States of America, Champaign | 1949-01-14 | 1949-01-15 | 1949 | 1 | |
| Circolo Ricreativo Crc Antella | Circolo Ricreativo Crc Antella | Italy, Antella, Via di Pulicciano, 53, 50012 Antella FI, Italy | 2016-02-17 | -- | 2016 | 1 | |
| Culture and Congress Centre La Poste | Culture and Congress Centre La Poste | Switzerland, Visp, La Poste-Platz 4 Visp | 2021-11-16 | 2021-11-16 | 2021 | 1 | |
| Cairo | Cairo | Egypt, Cairo | 1949-- | 1954-- | 1949–2006 | 3 | |
| Cicignon Barne- og Ungdomsskole | Cicignon Barne- og Ungdomsskole | Norway, Fredrikstad, Fredrikstad | 2006-11-14 | -- | 2006 | 1 | |
| Colony Theatre | Colony Theatre | United States of America, Miami, 1040 Lincoln Rd, Miami Beach, FL | 2017-04-01 | 2017-04-02 | 2017–2020 | 2 | |
| Centrál színház | Centrál színház | Hungary, Budapest, Révay u. 18 | 2018-09-23 | -- | 2018 | 1 | |
| Cambridge | Cambridge | United States of America, Cambridge | 1950-04-11 | 1950-04-23 | 1950–1967 | 2 | |
| Cellar Stage Theater | Cellar Stage Theater | United States of America, Northfield | 1972-02-11 | 1972-02-19 | 1972 | 1 | |
| Casa della Participazione | Casa della Participazione | Italy, Maccarese, Via del Buttero, 10, 00057 | 2019-11-29 | -- | 2019 | 1 | |
| Cour du Lycee Saint-Joseph | Cour du Lycee Saint-Joseph | France, Avignon, 62 Rue des Lices | 2017-07-15 | 2017-07-20 | 2017 | 1 | |
| CC Achterolmen | CC Achterolmen (Cultuurcentrum Achterolmen) | Belgium, Maaseik, Van Eycklaan 72 | 2006-11-30 | -- | 2006 | 1 | |
| Cirkusteatern | Cirkusteatern | Sweden, Göteborg | 1914-11-20 | 1914-11-29 | 1914 | 1 | |
| Carriage House, Western Pennsylvania Family Center, The | The Carriage House, Western Pennsylvania Family Center | United States of America, Pittsburgh, 733 North Highland Avenue | 2003-08-08 | 2003-08-24 | 2003 | 1 | |
| Craiova | Craiova | Romania, Craiova | 1907-- | -- | 1907 | 1 | |
| Cottesloe Theatre | Cottesloe Theatre | England, London, Stage Door Avenue | 1987-05-06 | 2009-04-29 | 1987–2009 | 2 | |
| Chū no shibai/ chūza | Chū no shibai/ chūza (Naka no Shibai (Central Theatre)/Nakaza) | Japan, Osaka | 1912-03-14 | 1914-03-19 | 1912–1914 | 2 | |
| Chestnut Street Opera House | Chestnut Street Opera House | United States of America, Philadelphia | 1895-03-19 | 1937-02-27 | 1895–1937 | 3 | |
| CRT Teatro dell´Arte | CRT Teatro dell´Arte | Italy, Milan, Viale Alemagna 6 | 2002-03-05 | 2008-02-17 | 2002–2008 | 2 | |
| Cultuurcentrum De Spil | Cultuurcentrum De Spil | Belgium, Roeselare, Hippoliet Spilleboutdreef 1 | 2007-11-15 | -- | 2007 | 1 | |
| Capital Stage | Capital Stage | United States of America, Sacramento, 2215 J St | 2013-05-15 | 2013-06-15 | 2013 | 1 | |
| Czech Republic | Czech Republic | Czech Republic, Czech Republic | 1958-03-23 | -- | 1958 | 1 | |
| Community College Hall | Community College Hall | Ireland, Co Clare, Scariff | 2007-03-24 | -- | 2007 | 1 | |
| 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 | |
| Corrosia | Corrosia | Netherlands, Almere, Markt 43 | 2016-03-22 | -- | 2016–2017 | 2 | |
| Csiky Gergely Színház | Csiky Gergely Színház | Hungary, Kaposvár, Rákóczi tér | 1996-03-08 | -- | 1996 | 1 | |
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