| Lüdenscheid, Kulturhaus | Kulturhaus Lüdenscheid | Germany, Lüdenscheid, Freiherr-vom-Stein-Straße 9 | 2017-01-11 | -- | 2017 | 1 | |
| Lincoln Park | Lincoln Park | United States of America, Cleveland | 2011-08-05 | -- | 2011 | 1 | |
| LUX | LUX | Netherlands, Nijmegen, Mariënburg 38-39 | 2008-02-28 | 2008-03-22 | 2008 | 2 | |
| Lučenec | Lučenec | Slovak Republic, Lučenec | 1912-10-08 | 1912-11-22 | 1912–1939 | 4 | |
| Langesund, Kinoen | Kinoen Langesund | Norway, Langesund | 1963-01-22 | -- | 1963–1968 | 2 | |
| Liepājas Tautas Teātris | Liepājas Tautas Teātris | Latvia, Liepaja, Rožu laukums 5/6 | 1908-04-15 | -- | 1908–1974 | 3 | |
| Lindesberg | Lindesberg | Sweden, Lindesberg | 1936-10-26 | -- | 1936–2002 | 3 | |
| Lillehammer | Lillehammer | Norway, Lillehammer | 1902-06-19 | 2021-02-18 | 1902–2021 | 12 | |
| Lorca | Lorca | Spain, Lorca | 1925-05-11 | -- | 1925 | 1 | |
| Lillhärdal | Lillhärdal | Sweden, Lillhärdal | 1989-10-06 | 1989-10-06 | 1989 | 1 | |
| Lenfilm | Lenfilm | Russia, St. Petersburg | 2017-10-31 | 2017-10-31 | 2017 | 1 | |
| Landestheater Burghofbühne im Kreis Wesel | Landestheater Burghofbühne im Kreis Wesel | Germany, Dinslaken, Luisenstraße 173 | 1991-02-14 | -- | 1991–2016 | 2 | |
| Lüdinghausen | Lüdinghausen | Germany, Lüdinghausen | -- | -- | | | |
| Little Theatre Group (LTG) Auditorium | Little Theatre Group (LTG) Auditorium | India, New Delhi, Copernicus Marg | 2009-12-06 | 2012-12-06 | 2009–2012 | 10 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, Scranton | 1911-12-27 | 1911-12-27 | 1911 | 1 | |
| Lancaster Grand Theatre | Lancaster Grand Theatre | England, Lancaster, Saint Leonard's Gate, Town Centre | 2014-10-30 | 2014-10-30 | 2014 | 1 | |
| Liepājas Jaunajā Teātris | Liepājas Jaunajā Teātris | Latvia, Liepaja | 1920-03-28 | -- | 1920–1935 | 3 | |
| Lyngdal kultursenter | Lyngdal kultursenter | Norway, Lyngdal, Grøndokka 4 | 2006-09-13 | -- | 2006–2013 | 4 | |
| Little Theatre, The | The Little Theatre | United States of America, New Haven, Lincoln Street | 1931-11-12 | 1975-03-02 | 1931–1975 | 2 | |
| Leipzig | Leipzig | Germany, Leipzig | -- | -- | | | |
| Litchfield Hills Theatre | Litchfield Hills Theatre | United States of America, Litchfield | 1939-08-15 | -- | 1939 | 1 | |
| Luton Library Theatre | Luton Library Theatre | England, Luton, Bridge St | 1985-01-30 | 1993-10-02 | 1985–1993 | 2 | |
| Lilly Hall Studio Theatre | Lilly Hall Studio Theatre | United States of America, Indianapolis, 4741 Clarendon Rd E Dr | 2019-12-04 | 2019--08 | 2019 | 1 | |
| Le point d’eau | Le point d’eau | France, Ostwald, 17 Allée René Cassin | 1999-10-16 | -- | 1999 | 1 | |
| Lunds Stadsteater | Lunds Stadsteater | Sweden, Lund, Kiliansgatan 13 | 1978-11-30 | 2000-11-11 | 1978–2010 | 3 | |
| Little Theatre, the | The Little Theatre | England, Hertford, Balfour St | 2005-11-10 | 2005-11-17 | 2005 | 1 | |
| Lyceum | Lyceum | United States of America, Rochester | 1903-04-03 | 1903-04-04 | 1903 | 1 | |
| Landestheater Dinkelsbühl | Landestheater Dinkelsbühl | Germany, Dinkelsbühl, Dr.-Martin-Luther-Straße 10 | 1992-02-19 | -- | 1992 | 1 | |
| Landesbühne Rhein-Main | Landesbühne Rhein-Main | Germany, Frankfurt am Main | 1957-01-16 | -- | 1957 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, New York, Fourth Avenue | 1891-03-06 | 1967-06-17 | 1891–1967 | 10 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, Harrisburg | 1904-05-12 | 1908-03-28 | 1904–1907 | 2 | |
| Landdrostei Pinneberg (Gartenhaus) | Landdrostei Pinneberg (Gartenhaus) | Germany, Pinneberg | 2002-09-27 | 2002-09-29 | 2002 | 1 | |
| Lødingen | Lødingen skole (Loedingen) | Norway, Lødingen | 1968-09-10 | -- | 1968–1983 | 4 | |
| Lørenskog Kultursenter | Lørenskog Kultursenter | Norway, Lørenskog, Festplassen 1 | 2008-09-24 | -- | 2008 | 1 | |
| Lichfield Garrick Theatre | Lichfield Garrick Theatre | England, Lichfield, Castle Dyke | 1901-05-13 | 2010-02-13 | 1901–2010 | 3 | |
| Lorensbergsteatern | Lorensbergsteatern | Sweden, Gothenburg, Berzeliigatan 4 | 1917-03-09 | -- | 1917–1928 | 9 | |
| Los Angeles Theatre | Los Angeles Theatre | United States of America, Los Angeles | 1908-04-04 | 1908-04-04 | 1908 | 1 | |
| La Filature | La Filature | France, Mulhouse, 20 Allée Nathan Katz | 2005-02-25 | 2021-10-17 | 2005–2021 | 3 | |
| Lillestrøm | Lillestrøm | Norway, Lillestrøm | 1928-03-23 | -- | 1928 | 1 | |
| Landestheater Altenburg | Landestheater Altenburg | Germany, Altenburg, Theaterplatz 19 | 1919-10-05 | -- | 1919–1980 | 6 | |
| La Jolla Playhouse | La Jolla Playhouse | United States of America, San Diego | 1987-06-30 | 1987-08-01 | 1987 | 1 | |
| Lys-Montparnasse, Théâtre du | Théâtre du Lys-Montparnasse | France, Paris, 15, rue du Maine | 1985-01-16 | 1985-01-24 | 1985 | 1 | |
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