| Center of Performing Art, College of Staten Island | Center of Performing Art, College of Staten Island | United States of America, Staten Island, 2800 Victory Blvd | 2006-10-04 | -- | 2006 | 1 | |
| Centrul Cultural Municipal "George Coşbuc" Bistriţa | Centrul Cultural Municipal "George Coşbuc" Bistriţa | Romania, str. Albert Berger, nr. 10 | 2011-03-28 | -- | 2011 | 1 | |
| 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 | |
| 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 | |
| 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 | |
| Collège Leclerc | Collège Leclerc | France, Schiltigheim, 9 avenue du 23 Novembre | 2020-09-18 | -- | 2020 | 1 | |
| Comberton Village College | Comberton Village College | England, Cambridgeshire, West Street, Comberton | 2017-07-08 | -- | 2017 | 1 | |
| Cuneo | Cuneo | Italy, Cuneo | 1934-05-01 | 1934-05-02 | 1934 | 1 | |
| Cool | Cool | Netherlands, Heerhugowaard, Coolplein 1 | 2009-11-13 | -- | 2009 | 1 | |
| Cultuurcentrum De Spil | Cultuurcentrum De Spil | Belgium, Roeselare, Hippoliet Spilleboutdreef 1 | 2007-11-15 | -- | 2007 | 1 | |
| Cinema Teatro Chiasso | Cinema Teatro Chiasso | Switzerland, Chiasso, Via Dante Alighieri 3b, 6830 | 2012-03-16 | -- | 2012 | 1 | |
| Concordia University Theatre | Concordia University Theatre | United States of America, Irvine | 1998-10-30 | -- | 1998 | 1 | |
| Courtyard Theatre, The | The Courtyard Theatre | England, London, Bowling Green Walk, 40 Pitfield St, | 2013-01-09 | 2013-01-20 | 2013 | 1 | |
| 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 | |
| Čadca | Čadca | Slovak Republic, Čadca | 1913-01-13 | -- | 1913 | 1 | |
| Centro Cultural Chacao | Centro Cultural Chacao | Venezuela, Caracas, Av. Tamanaco | 2023-09-07 | 2023-09-10 | 2023 | 1 | |
| Casa de Cultura de Tobarra | Casa de Cultura de Tobarra | Spain, Tobarra, Albacete, Av. Juan Carlos I, 16 | 1993-01-02 | -- | 1993 | 1 | |
| Château de Clermont | Château de Clermont | France, Clermont, Voie Communale N°6 du Chef Lieu À la Rn 510, | 2001-07- | -- | 2001 | 1 | |
| Civic Centre Bismarck | Civic Centre Bismarck | United States of America, Bismarck | 1914-05-04 | 1914-05-04 | 1914 | 1 | |
| Cinema Teatro Nuovo Borgomanero | Cinema Teatro Nuovo Borgomanero | Italy, Borgomanero, Via IV Novembre, 28021 Borgomanero NO, Italy | 2025-01-24 | -- | 2025 | 1 | |
| Commercial Club Assembly Hall | Commercial Club Assembly Hall | United States of America, Hood River | 1910-09-14 | 1910-09-14 | 1910 | 1 | |
| Café Nordica | Café Nordica | Czech Republic, Prague, Zlatnická 10 | 2006-04-08 | 2006-04-08 | 2006 | 1 | |
| Circul de Granada | Circul de Granada | Spain, Gracia (Barcelona) | 1894-05-10 | 1894-05-10 | 1894 | 1 | |
| Central Park Theater | Central Park Theater | United States of America, New York | 1926-05-17 | -- | 1926 | 1 | |
| Crescent Theatre | Crescent Theatre | Ireland, Limerick | 1980-02-11 | 1980-02-16 | 1980 | 1 | |
| Czech Republic | Czech Republic | Czech Republic, Czech Republic | 1958-03-23 | -- | 1958 | 1 | |
| Comédie de Béthune, La | La Comédie de Béthune | France, Béthune, 138 Rue du 11 Novembre | 2010-11-30 | 2010-12-10 | 2010 | 1 | |
| Cultuurcentrum Kortrijk | Cultuurcentrum Kortrijk | Belgium, Kortrijk, Schouwburgplein 14 | 2007-12-03 | -- | 2007 | 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 | |
| Centro Cultural General San Martín | Centro Cultural General San Martín | Argentina, Buenos Aires, Sarmiento 1551 | 2018-05-15 | 2018-07-31 | 2018 | 1 | |
| Customs House, The | The Customs House | England, South Shields, Mill Dam | 2014-10-06 | 2014-10-06 | 2014 | 1 | |
| Centrul Cultural Județean Călărași | Centrul Cultural Județean Călărași | Romania, Călărași, Strada 1 Decembrie 1918 | 2015-12-08 | -- | 2015 | 1 | |
| CC Gemeente Alken | CC Gemeente Alken | Belgium, Alken, Hoogdorpsstraat 38 | 2001-05-17 | 2001-05-17 | 2001 | 1 | |
| Casal Cultural | Casal Cultural | Spain, La Pobla de Mafumet, Av. de la Generalitat, 20, 43140 | 2024-10-27 | -- | 2024 | 1 | |
| Członkowie Akademickiego Kółka Miłośników Sceny | Członkowie Akademickiego Kółka Miłośników Sceny | Poland, Cieszyn | 1906-06-29 | -- | 1906 | 1 | |
| Colwyn Bay Repertory Theatre | Colwyn Bay Repertory Theatre | Wales, Colwyn Bay | 1943-03-30 | -- | 1943 | 1 | |
| České lidové divadlo | České lidové divadlo | Czech Republic, Brno | 1943-09-21 | -- | 1943 | 1 | |
| Carl Schurz High School | Carl Schurz High School | United States of America, Chicago, 3601 N Milwaukee Ave | 1928-03-25 | -- | 1928 | 1 | |
| CAES Torre Pacheco | CAES Torre Pacheco | Spain, Murcia, Paseo Villa Esperanza 13 | 2010-04-17 | -- | 2010 | 1 | |
| Centre del Progrés | Centre del Progrés | Spain, Martorell | 1913-12-07 | -- | 1913 | 1 | |
| Columbia-Greene Community College | Columbia-Greene Community College | United States of America, Hudson, 4400 NY-23 | 2017-11-10 | 2017-11-12 | 2017 | 1 | |
| Charter Theatre | Charter Theatre | England, Preston, Guild Hall, Lancaster Rd | 2011-04-15 | 2011-04-16 | 2011 | 1 | |
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