| Civic Centre Bismarck | Civic Centre Bismarck | United States of America, Bismarck | 1914-05-04 | 1914-05-04 | 1914 | 1 | |
| Como | Como | Italy, Como | 1894-04-07 | -- | 1894 | 1 | |
| CASA 0101 Theater | CASA 0101 Theater | United States of America, Los Angeles, 2102 E 1st St | 2017-10-19 | 2017-11-12 | 2017 | 1 | |
| Cirkusteatern | Cirkusteatern | Sweden, Göteborg | 1914-11-20 | 1914-11-29 | 1914 | 1 | |
| Carré, Scène nationale - Centre d'art contemporain, Le | Le Carré, Scène nationale - Centre d'art contemporain | France, Château-Gontier-sur-Mayenne, 4 bis Rue Horeau | 2012-12-04 | -- | 2012 | 1 | |
| Crnogorsko Narodno Pozoriste | Crnogorsko Narodno Pozoriste | Montenegro, Podgorica, Stanka Dragojevića 18 | 2000-12-10 | -- | 2000 | 1 | |
| Christ's Hospital School | Christ's Hospital School | England, Horsham, Christ's Hospital | 2018-10-08 | -- | 2018 | 1 | |
| City Lit Theater | City Lit Theater | United States of America, Chicago, 1020 W Bryn Mawr Ave | 2012-01-13 | 2012-02-11 | 2012 | 1 | |
| Complesso industriale ex-Minganti | Complesso industriale ex-Minganti | Italy, Bologna | 2001-10-18 | 2001-10-29 | 2001 | 1 | |
| CC De Dijk | CC De Dijk (Cultural Center) | Belgium, Brugge, Blankenbergse Steenweg 221 | 2008-01-17 | 2008-01-18 | 2008 | 1 | |
| Constanţa | Constanţa | Romania, Constanţa | 1908-03- | -- | 1908 | 1 | |
| China Central Academy of Theatre | China Central Academy of Theatre | China, Beijing | 2014-11-23 | -- | 2014 | 1 | |
| Clifford E. White Theater, The | The Clifford E. White Theater | United States of America, Flagstaff, 1115 S Knoles Dr | 2022-10-20 | 2022-10-23 | 2022 | 1 | |
| Centre Culturel Aragon Triolet | Centre Culturel Aragon Triolet | France, Orly, 1 Place du Fer à Cheval, Rue du Docteur Calmette, | 2014-01-24 | 2014-01-24 | 2014 | 1 | |
| Chiesa di san Nicolò | Chiesa di San Nicolò | Italy, Spoleto | 1982-06-26 | -- | 1982 | 1 | |
| Centre del Progrés | Centre del Progrés | Spain, Martorell | 1913-12-07 | -- | 1913 | 1 | |
| Casa de Cultura de Tobarra | Casa de Cultura de Tobarra | Spain, Tobarra, Albacete, Av. Juan Carlos I, 16 | 1993-01-02 | -- | 1993 | 1 | |
| Century Club Theatre | Century Club Theatre | United States of America, Reno | 1909-11-26 | 1909-11-26 | 1909 | 1 | |
| Compass Theatre | Compass Theatre | England, Ickenham, Middlesex, Glebe Ave, Uxbridge | 2007-02-14 | 2007-02-17 | 2007 | 1 | |
| Cohoes | Cohoes | United States of America, Cohoes | 1903-10-03 | 1903-10-03 | 1903 | 1 | |
| Centro Culturale Next | Centro Culturale Next | Italy, Cremona, via Cadolini 20, Cremona, Italy | 2018-04-13 | 2018-06-09 | 2018 | 1 | |
| Collège Leclerc | Collège Leclerc | France, Schiltigheim, 9 avenue du 23 Novembre | 2020-09-18 | -- | 2020 | 1 | |
| Centro Cultural de Belém | Centro Cultural de Belém | Portugal, Lisbon, Praça do Império | 2011-02-10 | 2011-02-13 | 2011 | 1 | |
| Cordes Hall | Cordes Hall | England, Sunninghill, Berkshire, 2 High Street | 2002-05-09 | 2002-05-18 | 2002 | 1 | |
| City Stage Theatre | City Stage Theatre | United States of America, Kansas City, 30 W Pershing Rd | 2019-08-07 | 2019-08-25 | 2019 | 1 | |
| Channel 2, IRIB National TV | Channel 2, IRIB National TV | Iran, Tehran | 1999-02-15 | -- | 1999 | 1 | |
| Castello Maniace | Castello Maniace | Italy, Siracusa, Isola di Ortigia | 2007-09-23 | -- | 2007 | 1 | |
| Copaken Stage | Copaken Stage | United States of America, Kansas City, KCMO | 2011-04-22 | 2011-05-22 | 2011 | 1 | |
| Columbia Theatre | Columbia Theatre | United States of America, Washington | 1902-11-10 | -- | 1902 | 1 | |
| Cultuurcentrum Casino Houthalen-Helchteren | Cultuurcentrum Casino Houthalen-Helchteren | Belgium, Houthalen-Helchteren, Varenstraat 22a | 2000-11-16 | 2000-11-16 | 2000 | 1 | |
| Casa da Gávea | Casa da Gávea | Brazil, Gávea, Praça Santos Dumont, 116 | 1997-05-08 | -- | 1997 | 1 | |
| Channel 2 (Italy) | Channel 2 (Italy) | Italy | 1982-01-25 | -- | 1982 | 1 | |
| Close Theatre Club | Close Theatre Club | Scotland, Glasgow | 1968-09-25 | 1968-10-13 | 1968 | 1 | |
| Coal Mine Theatre | Coal Mine Theatre | Canada, Toronto, 2076 Danforth Ave | 2024-05-05 | 2024-05-26 | 2024 | 1 | |
| Carson City | Carson City | United States of America, Carson City | 1905-10-24 | -- | 1905 | 1 | |
| Centro cultural Comfamar | Centro cultural Comfamar | Colombia, Buenaventura, Valle del Cauca | 2009-08-07 | -- | 2009 | 1 | |
| Community College Hall | Community College Hall | Ireland, Co Clare, Scariff | 2007-03-24 | -- | 2007 | 1 | |
| Champaign | Champaign | United States of America, Champaign | 1903-12-17 | 1903-12-17 | 1903 | 1 | |
| Cinema Teatro Dorico | Cinema Teatro Dorico | Italy, Ancona, Via Agostino Peruzzi, 60128 | 2016-01-16 | -- | 2016 | 1 | |
| Circul de Granada | Circul de Granada | Spain, Gracia (Barcelona) | 1894-05-10 | 1894-05-10 | 1894 | 1 | |
| Coliseo | Coliseo | Spain, Salamanca, Calle del doctor Riesco (calle Toro) | 1928-09-15 | 1928-09-21 | 1928 | 1 | |
| Citizen's Aid Building | Citizen's Aid Building | United States of America, Minneapolis, 4th Avenue South 8th Street | 1930-10-16 | -- | 1930 | 1 | |
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