| Cultuurcentrum Gildhof | Cultuurcentrum Gildhof | Belgium, Tielt, Sint-Michielstraat 9 | 1994-03-30 | -- | 1994–1998 | 3 | |
| Cinema Teatro San Timoteo | Cinema Teatro San Timoteo | Italy, Roma, Via Apelle, 1, 00124 | 2014-03-08 | 2014-03-09 | 2014 | 1 | |
| Cultuurcentrum Brugge | Cultuurcentrum Brugge | Belgium, Brugge, Sint-Jakobsstraat 20 | 2007-12-18 | -- | 2007 | 1 | |
| cell, the | the cell | United States of America, New York, 338 W 23rd St New York, NY 10011 | 2015-03-02 | 2015-03-19 | 2015 | 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 | |
| Comète - Scène Nationale de Châlons-en-Champagne, La | La Comète - Scène Nationale de Châlons-en-Champagne | France, Châlons-en-Champagne, 5 Rue des Fripiers | 2012-02-16 | 2012-12-06 | 2012 | 1 | |
| Casa del Lago Juan José Arreola | Casa del Lago Juan José Arreola | Mexico, México City, D.F. | 2007-05-11 | 2007-05-26 | 2007 | 1 | |
| Capital Repertory Theatre | Capital Repertory Theatre | United States of America, Albany, 111 N Pearl St | 2000-02-04 | 2000-02-27 | 2000 | 1 | |
| Casa da Gávea | Casa da Gávea | Brazil, Gávea, Praça Santos Dumont, 116 | 1997-05-08 | -- | 1997 | 1 | |
| Cultuurcentrum Belgica | Cultuurcentrum Belgica | Belgium, Dendermonde, Kerkstraat 24 | 1998-11-26 | -- | 1998 | 1 | |
| Caserma d'artiglieria di Porta Verona | Caserma d'artiglieria di Porta Verona | Italy, Pescheria del Garda, Parco Catullo, 4, 37019 | 2023-08-22 | -- | 2023–2024 | 2 | |
| Christ's Hospital School | Christ's Hospital School | England, Horsham, Christ's Hospital | 2018-10-08 | -- | 2018 | 1 | |
| Crescent Theatre | The Crescent Theatre | England, Birmingham, Brindleyplace, Sheepcote St | 1959-04-11 | 2000-11-25 | 1959–2000 | 2 | |
| CC De Stringe | CC De Stringe | Belgium, Vichte, Anzegem, Ommersheimplein 5 | 2001-03-13 | 2001-03-13 | 2001 | 1 | |
| Cordoba | Cordoba | Argentina, Cordoba | -- | -- | | | |
| Close Theatre Club | Close Theatre Club | Scotland, Glasgow | 1968-09-25 | 1968-10-13 | 1968 | 1 | |
| Corinthian Theatre | Corinthian Theatre | India, Kolkata, West Bengal | 1891-12-26 | -- | 1891 | 1 | |
| Centre Cívic Convent de Sant Agustí | Centre Cívic Convent de Sant Agustí | Spain, Barcelona, Carrer del Comerç, 36 | 2024-04-13 | 2024-04-14 | 2024 | 1 | |
| Comédie de Clermont-Ferrand, La | La Comédie de Clermont-Ferrand | France, Clermont-Ferrand, 69 Boulevard François Mitterrand | 2014-03-26 | 2019-11-28 | 2014–2019 | 2 | |
| Centre d'Animation Culturelle de Paris | Centre d'Animation Culturelle de Paris | France, Paris | 1977-01-24 | -- | 1977 | 1 | |
| Capitol Theatre | The Capitol Theatre | England, Manchester | 2008-10-08 | 2008-10-11 | 2008 | 1 | |
| Chulalongkorn University | Chulalongkorn University | Thailand, Bangkok, 254 Phayathai Road | 2005-06- | -- | 2005 | 1 | |
| College Auditorium at Oklahoma A. and M. College | College Auditorium at Oklahoma A. and M. College | United States of America, Stillwater | 1920-03-25 | -- | 1920 | 2 | |
| Compagnia Drammatica citta di Roma | Compagnia Drammatica citta di Roma | Italy, Milan | -- | -- | | | |
| 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 | |
| Carl Johan Teatret (Tivoli) | Carl Johan Teatret (Tivoli) | Norway, Oslo, Tivoli | 1894-10-03 | -- | 1894 | 2 | |
| Corporación Cultural de Lo Barnechea | Corporación Cultural de Lo Barnechea | Chile, Lo Barnechea, Av. El Tranque 10300 | 2011-12- | -- | 2011 | 1 | |
| Crucible Theatre | Crucible Theatre | England, Sheffield, 55 Norfolk St | -- | -- | | | |
| Centro Cultural Matucana 100 | Centro Cultural Matucana 100 | Chile, Santiago, Avenida Matucana 100 | 2007-01-17 | 2022-11-20 | 2007–2022 | 2 | |
| Civic Repertory Theatre | Civic Repertory Theatre | United States of America, New York, 107 W. 14th St. (Sixth Ave) | 1926-11-01 | -- | 1926–1928 | 3 | |
| Comédie Caumartin | Comédie Caumartin | France, Paris, 25 Rue de Caumartin | 1952-12-09 | -- | 1952–1991 | 2 | |
| Comédie de Reims, centre dramatique national | Comédie de Reims, centre dramatique national | France, 51100 Reims, 3 Chaussée Bocquaine | 2023-12-13 | 2023-12-15 | 2023 | 1 | |
| Cohoes | Cohoes | United States of America, Cohoes | 1903-10-03 | 1903-10-03 | 1903 | 1 | |
| Câmpina | Câmpina | Romania, Câmpina | -- | -- | | | |
| Centre culturel Boris Vian | Centre culturel Boris Vian | France, Les Ulis, Rue du Morvan | 1999-01-19 | 2008-03-27 | 1999–2008 | 2 | |
| Chalberg Theatre, Central Lakes College | Chalberg Theatre, Central Lakes College | United States of America, Brainerd, 501 W College Dr | 2009-04-07 | -- | 2009–2013 | 3 | |
| Centre de recherche pour le développement culturel | CRDC (Centre de recherche pour le développement culturel) | France, Nantes | 2000-01-25 | 2000-01-28 | 2000 | 1 | |
| CC De Bosuil | CC De Bosuil | Belgium, Overijse, Witherendreef 1 | 1998-12-15 | -- | 1998 | 1 | |
| C.I.Q. - Centro Internazionale di Quartiere | C.I.Q. - Centro Internazionale di Quartiere | Italy, Milano, Via Fabio Massimo, 19, 20139 | 2022-12-09 | -- | 2022 | 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 | |
| Corabia | Corabia | Romania, Corabia | -- | -- | | | |
| Cultuurcentrum 't Vondel | Cultuurcentrum 't Vondel | Belgium, Halle, J. Possozplein 40 | 2002-02-26 | 2002-02-26 | 2002 | 1 | |
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