| Casino Llanes | Casino Llanes | Spain, Llanes, Calle Castillo, 3 | 2017-04-21 | -- | 2017 | 1 | |
| Centro Cultural Maspalomas | Centro Cultural Maspalomas | Spain, Las Palmas, Av. de Tejeda, 70 | 2006-06-09 | 2006-06-10 | 2006 | 1 | |
| Centro Cultural de la Villa (Ibi) | Centro Cultural de la Villa (Ibi) | Spain, Ibi | 2005-01-28 | 2005-01-28 | 2005 | 1 | |
| Circul de Granada | Circul de Granada | Spain, Gracia (Barcelona) | 1894-05-10 | 1894-05-10 | 1894 | 1 | |
| Casa de la Juventud | Casa de la Juventud | Spain, Colmenar Viejo | 1991-06-13 | -- | 1991 | 1 | |
| Ciudad Real | Ciudad Real | Spain, Ciudad Real | 2010-03-25 | -- | 2010 | 1 | |
| Centro Dramático de Ceuta / Instituto Siete Colinas | Centro Dramático de Ceuta / Instituto Siete Colinas | Spain, Ceuta, Barriada Odonnell | 2010-11-12 | 2010-11-20 | 2010 | 1 | |
| Cangas de Morrazo | Cangas de Morrazo | Spain, Cangas de Morrazo | 2010-10-28 | -- | 2010–2011 | 2 | |
| Castillo de Doña Berenguela | Castillo de Doña Berenguela | Spain, Bolaños de Calatrava | 1975-07- | -- | 1975 | 1 | |
| Cafè Puig | Teatre Cafè Puig | Spain, Barcelona | 1913-09-20 | -- | 1913 | 1 | |
| Casino Republicà (Barceloneta) | Casino Republicà (Barceloneta) | Spain, Barcelona | 1918-01-06 | -- | 1918 | 1 | |
| Cuina, La | La Cuina | Spain, Barcelona | 1993-11-05 | 1993-11-21 | 1993 | 1 | |
| Círculo Republicano | Círculo Republicano | Spain, Baracaldo | 1908-02-07 | -- | 1908 | 1 | |
| Centre Social Altea | Centre Social Altea | Spain, Altea, Carrer Marina Baixa, 03590 Altea, Alicante, Spain | 2023-10-28 | 2023-10-28 | 2023 | 1 | |
| Centro Cultural de Almoradí | Centro Cultural de Almoradí | Spain, Almoradí, Plaza de San Andrés, s/n | 2005-03-16 | 2005-03-16 | 2005 | 1 | |
| Centro Cultural Virgen Del Carmen | Centro Cultural Virgen Del Carmen | Spain, Alicante, 03182 Torrevieja | 2021-11-21 | 2021-11-21 | 2021 | 1 | |
| Centro Cultural Infanta Elena | Centro Cultural Infanta Elena | Spain, Alcantarilla, Murcia, Calle los Carros | 2010-02-26 | -- | 2010 | 1 | |
| Centro Galego de Artes da Imaxe | Centro Galego de Artes da Imaxe | Spain, A Coruña, Rúa Durán Loriga, 10 | 2012-11-21 | -- | 2012 | 1 | |
| Centro Ágora | Centro Ágora | Spain, A Coruña, Lugar da, Av. Gramela, 17 | 2017-11-30 | 2018-03-15 | 2017 | 1 | |
| Cankarjev Dom | Cankarjev Dom | Slovenia, Ljubljana | 2011-02-10 | 2011-02-11 | 2011–2024 | 2 | |
| Celje | Celje | Slovenia, Celje | 1907-05-22 | -- | 1907 | 3 | |
| Čadca | Čadca | Slovak Republic, Čadca | 1913-01-13 | -- | 1913 | 1 | |
| Centar za kulturu Pančeva | Centar za kulturu Pančeva (Pancevo Cultural Center) | Serbia, Pančevo, Vojvode Živojina Mišića 4 | 1995-03-30 | 1996-06-13 | 1995 | 1 | |
| Citizen's Theatre | Citizen's Theatre | Scotland, Glasgow, 119 Gorbals Street | 1970-06-03 | 2009-05-30 | 1970–2009 | 5 | |
| Close Theatre Club | Close Theatre Club | Scotland, Glasgow | 1968-09-25 | 1968-10-13 | 1968 | 1 | |
| Cumbernauld Theatre | Cumbernauld Theatre | Scotland, Cumbernauld, Kildrum | 2015-06-19 | 2015-06-20 | 2015 | 1 | |
| CEH teatr | CEH teatr | Russia, St Petersburg, Chkalovskiy Prospekt, 12/20 В | 2020-03-01 | -- | 2020 | 1 | |
| Chekhov Moscow Art Theatre | Chekhov Moscow Art Theatre | Russia, Moscow, Камергерский пер., 3 | 1905-03-31 | 2001-05-03 | 1905–1999 | 5 | |
| Centr imeni Vsevoloda Mejerhol'da | Centr imeni Vsevoloda Mejerhol'da (Centre) | Russia, Moscow, Novoslobodskaya St., 23 | 2005-09-11 | -- | 2005 | 1 | |
| Centralnoe televidenie | Centralnoe televidenie (Soviet Central Television) | Russia, Moscow | -- | -- | | | |
| Chernyakhovsk | Chernyakhovsk | Russia, Chernyakhovsk | -- | -- | | | |
| Csiky Gergely Állami Magyar Színház | Csiky Gergely Állami Magyar Színház | Romania, Timişoara, Str. Alba Iulia, nr. 2. | 1987-04-19 | 2013-03-05 | 1987–2013 | 5 | |
| Centrul Cultural "Mihai Eminescu" | Centrul Cultural "Mihai Eminescu" | Romania, Târgu Mureș, Str.Nicolae Grigorescu nr.19 | 2013-12-03 | 2013-12-18 | 2013 | 1 | |
| Centrul Cultural Municipal "George Coşbuc" Bistriţa | Centrul Cultural Municipal "George Coşbuc" Bistriţa | Romania, str. Albert Berger, nr. 10 | 2011-03-28 | -- | 2011 | 1 | |
| Casa de Cultură Miercurea Ciuc | Casa de Cultură Miercurea Ciuc | Romania, Miercurea Ciuc | 2018-05-06 | 2018-05-06 | 2018 | 1 | |
| Cugir | Cugir | Romania, Cugir | -- | -- | | | |
| Cuciulata | Cuciulata | Romania, Cuciulata | -- | -- | | | |
| Cristuru Secuiesc | Cristuru Secuiesc | Romania, Cristuru Secuiesc | 1911-06-09 | -- | 1911 | 1 | |
| Craiova | Craiova | Romania, Craiova | 1907-- | -- | 1907 | 1 | |
| Cozia | Cozia | Romania, Cozia | -- | -- | | | |
| Coteana | Coteana | Romania, Coteana | -- | -- | | | |
| Corabia | Corabia | Romania, Corabia | -- | -- | | | |
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