| Colden Center, Queens College of The City University of New York | Colden Center, Queens College of The City University of New York | United States of America, Flushing, 65-30 Kissena Boulevard | 1963-07-19 | 1963-07-27 | 1963 | 1 | |
| Capital Theatre | Capital Theatre | United States of America, Frankfort, 213 W Main Street | 1903-12-08 | -- | 1903 | 1 | |
| Chapel Hall | Chapel Hall | United States of America, Franklin, 25 Institute Street | 2006-07-05 | 2006-07-23 | 2006 | 1 | |
| City Opera House | City Opera House | United States of America, Frederick | 1904-04-19 | 1912-02-16 | 1904–1912 | 2 | |
| Center Players | Center Players | United States of America, Freehold, 35 South Street | 2015-07-10 | 2015-08-09 | 2015 | 1 | |
| Curtain Players Theatre | Curtain Players Theatre | United States of America, Galena, 5691 Harlem Rd | 2010-03-05 | 2010-03-21 | 2010 | 1 | |
| Colgate University Theater | Colgate University Theater | United States of America, Hamilton, 13 Oak Drive | 1981-04-22 | 1981-04-25 | 1981 | 1 | |
| Commercial Club Assembly Hall | Commercial Club Assembly Hall | United States of America, Hood River | 1910-09-14 | 1910-09-14 | 1910 | 1 | |
| Cullen Theater, Wortham Theater Center | Cullen Theater, Wortham Theater Center | United States of America, Houston | 1991-05-22 | 2015-04-04 | 1991–2015 | 2 | |
| Classical Theatre Company | Classical Theatre Company | United States of America, Houston, 4617 Montrose Blvd | 2016-02-03 | 2016-02-21 | 2016 | 1 | |
| Chelsea Market Theatre | Chelsea Market Theatre | United States of America, Houston, 4617 Montrose Blvd. | 2018-02-07 | 2018-02-25 | 2018 | 1 | |
| Company OnStage | Company OnStage | United States of America, Houston, 536 Westbury Square | 2005-01-14 | 2012-02-18 | 2005–2012 | 2 | |
| Columbia-Greene Community College | Columbia-Greene Community College | United States of America, Hudson, 4400 NY-23 | 2017-11-10 | 2017-11-12 | 2017 | 1 | |
| Chan Auditorium, University of Alabama | Chan Auditorium, University of Alabama | United States of America, Huntsville, University Circle | 2008-10-22 | 2008-10-26 | 2008 | 1 | |
| City Theatre of Independence | City Theatre of Independence | United States of America, Independence, 201 N Dodgion St | 1988-05-19 | 2003-02-02 | 1988–2003 | 2 | |
| Concordia University Theatre | Concordia University Theatre | United States of America, Irvine | 1998-10-30 | -- | 1998 | 1 | |
| Cornell University Theatre | Cornell University Theatre | United States of America, Ithaca, 430 College Avenue | 1909-04-02 | 1971-03-13 | 1909–1974 | 8 | |
| Clark Theatre, Dillingham Center | Clark Theatre, Dillingham Center | United States of America, Ithaca, 953 Danby Rd | 2007-10-02 | 2007-10-07 | 2007 | 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 | |
| Copaken Stage | Copaken Stage | United States of America, Kansas City, KCMO | 2011-04-22 | 2011-05-22 | 2011 | 1 | |
| College of Marin Studio Theatre Performing Arts Building Kentfield Campus | College of Marin Studio Theatre Performing Arts Building Kentfield Campus | United States of America, Kentfield, 15 Laurel Ave, Kentfield, CA 94904, United States | 2023-11-24 | 2023-12-10 | 2023 | 1 | |
| Commonweal Theatre | Commonweal Theatre | United States of America, Lanesboro, 208 Parkway Avenue North | 2000-02-11 | 2017-06-17 | 2000–2017 | 15 | |
| Cruces Community Theatre, Las | Las Cruces Community Theatre | United States of America, Las Cruces, 313 N Downtown Mall | 2018-03-09 | 2018-03-25 | 2018 | 1 | |
| Crafton-Preyer Theatre | Crafton-Preyer Theatre | United States of America, Lawrence, KS, 1530 Naismith Dr, | 2000-03-03 | 2015-11-22 | 2000–2015 | 2 | |
| Capital Theater | Capital Theater | United States of America, Little Rock | 1896-01-29 | 1908-10-15 | 1896–1908 | 6 | |
| Chase Fine Arts Center | Chase Fine Arts Center | United States of America, Logan, 4030 Old Main Hill | 2022-01-28 | 2022-01-29 | 2022 | 1 | |
| Columbia Theatre | Columbia Theatre | United States of America, Longview, Vandercook Way | -- | -- | | | |
| Cumnock School | Cumnock School | United States of America, Los Angeles | 1911-06-02 | 1911-06-02 | 1911 | 1 | |
| Cumnock Hall | Cumnock Hall | United States of America, Los Angeles | 1910-01-12 | 1910-01-12 | 1910 | 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 | |
| Circle Theater Company | Circle Theater Company | United States of America, Manhattan, Broadway and 83rd street | 1973-04-15 | -- | 1973 | 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 | |
| Carnival Theatre | Carnival Theatre | United States of America, Miami, 1300 Biscayne Boulevard | 2012-01-07 | 2020-05-09 | 2012–2020 | 2 | |
| Cardinal Stritch University Theatre | Cardinal Stritch University Theatre | United States of America, Milwaukee, 6801 N. Yates Rd. | 1993-02-12 | 1993-02-21 | 1993 | 1 | |
| Citizen's Aid Building | Citizen's Aid Building | United States of America, Minneapolis, 4th Avenue South 8th Street | 1930-10-16 | -- | 1930 | 1 | |
| Colorado City | Colorado City | United States of America, Mitchell County | -- | -- | | | |
| City School Auditorium | City School Auditorium | United States of America, Monroe | 1914-03-12 | 1914-03-12 | 1914 | 1 | |
| Concordia College | Concordia College | United States of America, Moorhead, 901 8th St. S. | 1997-02-13 | 1997-02-16 | 1997 | 1 | |
| Community Center Theatre | Community Center Theatre | United States of America, New York | 1947-05-19 | 1947-05-22 | 1947 | 1 | |
| City Club of New York | City Club of New York | United States of America, New York | 1907-02-26 | 1907-02-26 | 1907 | 1 | |
| Central Park Theater | Central Park Theater | United States of America, New York | 1926-05-17 | -- | 1926 | 1 | |
| Christian C. Yegen Theatre | Christian C. Yegen Theatre | United States of America, New York, 100 East 17th Street | 1988-10-05 | 1988-11-27 | 1988 | 1 | |
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