| La Mama Theatre | La Mama Theatre | Australia, Carlton, 205 Faraday St | 2001-04-23 | 2013-09-29 | 2001–2013 | 2 | |
| Lower Denton Theatre | Lower Denton Theatre | Canada, Wolfville, 15 University Ave | 2018-03-22 | 2018-03-31 | 2018 | 1 | |
| Lakewood Little Theatre | Lakewood Little Theatre | United States of America, Denver, 1980 Youngfield St | 1973-02-14 | 1973-03-11 | 1973 | 1 | |
| Loughborough Town Hall Theatre | Loughborough Town Hall Theatre | England, Loughborough, Leicestershire, Market Place | 2014-10-21 | 2014-10-21 | 2014 | 1 | |
| Lüneburger Bühne | Lüneburger Bühne | Germany, Lüneburg | 1929-09-25 | -- | 1929–1953 | 2 | |
| Lauren Kennedy and Alan Campbell Theatre at Barton College | Lauren Kennedy and Alan Campbell Theatre at Barton College | United States of America, Wilson, Woodard St NE | 2011-11-10 | 2011-11-13 | 2011 | 1 | |
| Landesbühne Sachsen-Anhalt Lutherstadt Eisleben | Landesbühne Sachsen-Anhalt Lutherstadt Eisleben | Germany, Lutherstadt Eisleben, Landwehr 5 | 2001-10-06 | 2003-04-01 | 2001–2009 | 2 | |
| Lafage-sur-Sombre - Place de l'Oratoire | Lafage-sur-Sombre - Place de l'Oratoire | France | 2023-08-05 | 2023-07-21 | 2023 | 2 | |
| Lokremise | Lokremise | Switzerland, St. Gallen, Grünbergstrasse 7 | 2011-11-10 | 2015-05-05 | 2011–2015 | 2 | |
| Lyceum Theater | Lyceum Theater | United States of America, Ithaca | 1909-12-16 | -- | 1909 | 1 | |
| La Maison du Conte | La Maison du Conte | France, Chevilly-Larue, 8 Rue Albert Thuret | 1999-03-26 | 1999-03-28 | 1999 | 1 | |
| Lakshmi Narayan Mandir | Lakshmi Narayan Mandir (Laxmi Narayan Temple Complex) | India, Mumbai, Marve Road | 2017-04-02 | 2017-04-02 | 2017 | 1 | |
| Logen Teater | Logen Teater | Norway, Bergen, Øvre Ole Bulls plass 6 | 2002-09-02 | 2012-09-01 | 2002–2012 | 4 | |
| Larrañaga | Larrañaga | Uruguay, Salto | 1973-08-04 | -- | 1973 | 1 | |
| La MaMa Experimental Theatre | La MaMa Experimental Theatre Club | United States of America, New York, 74 E 4th St | 1992-02-13 | 2002-02-03 | 1992–2002 | 2 | |
| Lower Glasshouse Theatre | Lower Glasshouse Theatre | England, Stourbridge, Wollaston Rd | 2005-06-17 | 2005-07-24 | 2005 | 1 | |
| L'Ange, Théâtre De | Théâtre De L'Ange | France, Avignon, 15 Rue des Teinturiers | 2018-07-15 | 2018-07-28 | 2018 | 1 | |
| London School of Economics Dramatic Society | London School of Economics Dramatic Society | England, London, Houghton St | 1928-03-23 | -- | 1928 | 1 | |
| Lorensbergsteatern | Lorensbergsteatern | Sweden, Gothenburg, Berzeliigatan 4 | 1917-03-09 | -- | 1917–1928 | 9 | |
| 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 | |
| Lafayette Square Opera House | Lafayette Square Opera House | United States of America, Washington D.C., 717 Madison Place | 1900-11-30 | 1900-11-30 | 1900 | 1 | |
| Landestheater Württemberg-Hohenzollern | Landestheater Württemberg-Hohenzollern | Germany, Tübingen, Eberhardstraße 6 | 1955-- | 2003-06-14 | 1955–2003 | 9 | |
| La Salita de Perón | La Salita de Perón | Argentina, Nogoyá, Presidente Perón 648 | 2025-03-13 | -- | 2025 | 1 | |
| Latzer Hall | Latzer Hall | United States of America, Champaign, 1001 S. Wright Street | 1947-12-10 | -- | 1947 | 1 | |
| Landestheater Parchim | Landestheater Parchim | Germany, Parchim, Blutstr. 16 | 1961-02-21 | -- | 1961–1989 | 2 | |
| Landesbühne Niedersachsen Nord | Landesbühne Niedersachsen Nord | Germany, Wilhelmshaven, Virchowstraße 44 | 1972-11-18 | -- | 1972–1975 | 2 | |
| Le Sablier - Centre national de la marionnette | Le Sablier - Centre national de la marionnette | France, Ifs, Square de Niederwerrn | 2024-11-20 | 2024-11-21 | 2024 | 1 | |
| Ladugårdslands-Teatern | Ladugårdslands-Teatern | Sweden, Stockholm, Östermalmstorg | 1877-01-31 | -- | 1877 | 1 | |
| Landestheater Niederösterreich | Landestheater Niederösterreich | Austria, St. Pölten, Rathauspl. 11 | 2011-10-15 | 2014-01-29 | 2011–2013 | 2 | |
| Lardal ungdomsskole | Lardal ungdomsskole | Norway, Svarstad, Lågaveien 26 | 2007-05-31 | -- | 2007 | 1 | |
| Lüdenscheid, Kulturhaus | Kulturhaus Lüdenscheid | Germany, Lüdenscheid, Freiherr-vom-Stein-Straße 9 | 2017-01-11 | -- | 2017 | 1 | |
| Lenzburg | Lenzburg | Switzerland, Lenzburg | 1991-09-12 | -- | 1991 | 1 | |
| Little Theater | Little Theater | United States of America, Lexington, Transylvania University, W. 4th Street | 2001-11-01 | 2001-11-10 | 2001 | 1 | |
| Los Angeles Theatre Company/ ANTA-WEST | Los Angeles Theatre Company/ ANTA-WEST | United States of America, Los Angeles | -- | -- | | | |
| Lappeenrannan Kaupunginteatteri | Lappeenrannan Kaupunginteatteri | Finland, Lappeenranta, 56, Valtakatu | 1926-- | 2006-05-10 | 1926–2006 | 4 | |
| Lola Montez-Saal | Lola Montez-Saal | Germany, Bad Brückenau, Heinrich-von-Bibra-Straße 25 | 2004-03-11 | -- | 2004–2011 | 2 | |
| Leningradskoe televidenie | Leningradskoe televidenie (Leningrad Television) | Russia, Sankt Petersburg | 1968-- | -- | 1968 | 1 | |
| Landestheater Tübingen | Landestheater Tübingen | Germany, Tübingen, Eberhardstraße 6 | 2008-10-10 | 2016-08-26 | 2008–2015 | 3 | |
| Lemvig Theater | Lemvig Theater | Denmark, Lemvig | 1880-05-22 | -- | 1880–2018 | 5 | |
| Luna Playhouse | Luna Playhouse | United States of America, Glendale, 3706 San Fernando Road | 2007-12-07 | 2008-01-20 | 2007 | 1 | |
| Lycée Cheick Omar Tall Nafoore | Lycée Cheick Omar Tall Nafoore | Senegal, Dakar | 2021-05-06 | -- | 2021 | 1 | |
| Landestheater Laibach | Landestheater Laibach | Slovenia, Ljubljana | 1893-12-01 | -- | 1893–1908 | 2 | |
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