| Little Theatre | Little Theatre | United States, New York, 240 West 44th Street | 1934-05-01 | -- | 1934 | 1 | |
| Liepājas Jaunajā Teātris | Liepājas Jaunajā Teātris | Latvia, Liepaja | 1920-03-28 | -- | 1920–1935 | 3 | |
| Lenin Balavadi | Lenin Balavadi | India, Thiruvananthapuram | 2010-04-06 | -- | 2010 | 1 | |
| LTG Auditorium | LTG Auditorium | India, New Delhi, Copernicus Marg | 2009-12-06 | 2012-12-06 | 2009–2012 | 10 | |
| Lyngdal kulturhus | Lyngdal kulturhus | Norway, Lyngdal, Grøndokka 4 | 2015-09-18 | 2020-09-04 | 2015–2020 | 2 | |
| Lødingen | Lødingen skole (Loedingen) | Norway, Lødingen | 1968-09-10 | -- | 1968–1983 | 4 | |
| Lyceum Theatre | Lyceum Theatre | United States, New York, Fourth Avenue | 1891-03-06 | 1967-06-17 | 1891–1967 | 10 | |
| Leggett Theatre, Peace College Theatre | Leggett Theatre, Peace College Theatre | United States, Raleigh, 15 East Peace Street | 2002-11-06 | 2007-09-25 | 2002–2007 | 2 | |
| Lloyd Theater, Fine Arts Building | Lloyd Theater, Fine Arts Building | United States, Lynchburg, 1971 University Blvd | 2009-03-20 | 2009-03-28 | 2009 | 1 | |
| Lørenskog Kultursenter | Lørenskog Kultursenter | Norway, Lørenskog, Festplassen 1 | 2008-09-24 | -- | 2008 | 1 | |
| Lørenskog | Lørenskog | Norway, Lørenskog | 1990-10-22 | -- | 1990 | 1 | |
| Landskrona Teater | Landskrona Teater | Sweden, Landskrona, Östergatan 18 | 1905-04-05 | -- | 1905 | 1 | |
| L'avant-scène théâtre | L'avant-scène théâtre | France, Paris, 75 rue des Saints-Pères | 2018-02-16 | -- | 2018 | 1 | |
| Lake Pool Park | Lake Pool Park | United States, Cleveland | 2011-08-04 | -- | 2011 | 1 | |
| Little Boston Library - S´Klallam Tribal Center | Little Boston Library - S´Klallam Tribal Center | United States, Kingston, 31912 Little Boston Rd NE | 2006-11-16 | -- | 2006 | 1 | |
| Länsteatern På Gotland | Länsteatern På Gotland | Sweden, Visby, Bredgatan 10 | 2019-10-04 | 2019-10-05 | 2019 | 1 | |
| Luna, la | La Luna | France, Maubeuge, Avenue Jean Jaurès | 1996-03-22 | 1999-03-20 | 1996–1999 | 2 | |
| La Mama Theatre | La Mama Theatre | Australia, Carlton, 205 Faraday St | 2001-04-23 | 2013-09-29 | 2001–2013 | 2 | |
| Lipovăţ | Lipovăţ | Romania, Lipovăţ | -- | -- | | | |
| Luella Theatre | Luella Theatre | United States, Chillicothe | 1908-02-04 | 1908-02-04 | 1908 | 1 | |
| Loughborough Town Hall Theatre | Loughborough Town Hall Theatre | England, Loughborough, Leicestershire, Market Place | 2014-10-21 | 2014-10-21 | 2014 | 1 | |
| Lillestrøm | Lillestrøm | Norway, Lillestrøm | 1928-03-23 | -- | 1928 | 1 | |
| Lichfield Garrick Theatre | Lichfield Garrick Theatre | England, Lichfield, Castle Dyke | 1901-05-13 | 2010-02-13 | 1901–2010 | 3 | |
| Lowry Centre | Lowry Centre | England, Salford Quays, Pier 8 | 2000-10-24 | 2019-10-19 | 2000–2019 | 6 | |
| Lippisches Landestheater | Lippisches Landestheater | Germany, Detmold | 1925-08-25 | 1931-03-11 | 1925–1934 | 3 | |
| Løgstør | Løgstør | Denmark, Løgstør | 1907-11-04 | -- | 1907 | 1 | |
| Loeb Playhouse, Purdue University | Loeb Playhouse, Purdue University | United States, West Lafayette, 175 S University St | 2010-02-25 | -- | 2010 | 1 | |
| Linbury Theatre | Linbury Theatre | England, London, Royal Opera House, Bow St | 2005-09-22 | 2006-06-10 | 2005–2006 | 2 | |
| Logansport | Logansport | United States, Logansport | 1903-12-08 | 1903-12-08 | 1903 | 1 | |
| La MaMa Experimental Theatre | La MaMa Experimental Theatre Club | United States, New York, 74 E 4th St | 1992-02-13 | 2002-02-03 | 1992–2002 | 2 | |
| Liskeard School & Community College | Liskeard School & Community College | England, Liskeard, Luxstowe, | 2013-10-22 | 2013-10-23 | 2013 | 1 | |
| Lewistown | Lewistown | United States, Lewistown | -- | -- | | | |
| Le Volcan - Scène nationale du Havre | Le Volcan - Scène nationale du Havre | France, Le Havre, Espace Oscar Niemeyer | 2002-04-16 | 2019-01-10 | 2002–2019 | 5 | |
| Long Island | Long Island | United States, Freeport | 1928-04-14 | -- | 1928 | 1 | |
| Lwowski Teatr Ludowy | Lwowski Teatr Ludowy | Poland, Tarnów | 1906-10-01 | -- | 1906 | 1 | |
| Lore Bronner-Bühne | Lore Bronner-Bühne | Germany, Munich | 1955-11-04 | -- | 1955 | 1 | |
| Lund | Lund | Sweden, Lund | 1872-02-27 | -- | 1872–1936 | 3 | |
| Landestheater Detmold Sommertheater | Landestheater Detmold Sommertheater | Germany, Detmold, Theater Platz 1 | 2010-01-22 | 2010-03-27 | 2010 | 1 | |
| Loge, La | La Loge | France, Paris, 77 Rue de Charonne | 2016-05-10 | 2016-05-13 | 2016 | 1 | |
| Laird Opera House | Laird Opera House | United States, Greenville | 1907-09-07 | 1907-09-07 | 1907 | 1 | |
| Landestheater Württemberg-Hohenzollern Tübingen Reutlingen | Landestheater Württemberg-Hohenzollern Tübingen Reutlingen | Germany, Tübingen, Eberhardstr. 6 | 2012-04-14 | 2012-07-12 | 2012 | 1 | |
| Liberty Theatre, the | The Liberty Theatre | United States, Hailey, 110 N Main St | 2006-02-15 | 2006-03-05 | 2006 | 1 | |
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