| Lüdenscheid, Kulturhaus | Kulturhaus Lüdenscheid | Germany, Lüdenscheid, Freiherr-vom-Stein-Straße 9 | 2017-01-11 | -- | 2017 | 1 | |
| Literaturno-memorial'nyj muzej F. M. Dostoevskogo | Literaturno-memorial'nyj muzej F. M. Dostoevskogo | Russia, St Petersburg | 2003-06-07 | -- | 2003 | 1 | |
| Landesbibliothek | Landesbibliothek | Switzerland, Glarus, Hauptstrasse 60 | 2010-06-18 | -- | 2010 | 1 | |
| Lysekil | Lysekil | Sweden, Lysekil | 1989-11-01 | 1989-11-01 | 1989 | 1 | |
| Lenfilm | Lenfilm | Russia, St. Petersburg | 2017-10-31 | 2017-10-31 | 2017 | 1 | |
| Lahden Kaupunginteatteri | Lahden Kaupunginteatteri | Finland, Lahti, Kirkkokatu 14 | 1954-09-30 | 2012-03-24 | 1954–2011 | 6 | |
| La Mama Theatre | La Mama Theatre | Australia, Carlton, 205 Faraday St | 2001-04-23 | 2013-09-29 | 2001–2013 | 2 | |
| Larvik kirke | Larvik kirke | Norway, Larvik | 2016-11-14 | -- | 2016 | 1 | |
| Latviešu teātris | Latviešu teātris | Latvia, ?, ? | 1918-03-13 | -- | 1918 | 1 | |
| Lead Opera House | Lead Opera House | United States, Lead | 1905-03-25 | 1905-03-25 | 1905 | 1 | |
| Leidse Schouwburg | Leidse Schouwburg | Netherlands, Leiden , Oude Vest 43 | 1989-03-03 | 1989-04-02 | 1989–2017 | 5 | |
| Latzer Hall | Latzer Hall | United States, Champaign, 1001 S. Wright Street | 1947-12-10 | -- | 1947 | 1 | |
| Longacre Theatre | Longacre Theatre | United States, New York, 220 W 48th St | 1925-12-06 | -- | 1925–1942 | 3 | |
| Ljubljana | Ljubljana | Slovenia, Ljubljana | -- | -- | | | |
| Lillesand ungdomsskole | Lillesand ungdomsskole | Norway, Lillesand | 1997-09-22 | -- | 1997 | 1 | |
| Ludgo-Spelviks Bygdegård | Ludgo-Spelviks Bygdegård | Sweden, Nyköping, Ludgo-Spelviks Bygdegård | 2019-10-13 | 2019-10-13 | 2019 | 1 | |
| Le point d’eau | Le point d’eau | France, Ostwald, 17 Allée René Cassin | 1999-10-16 | -- | 1999 | 1 | |
| Lauertalhalle | Lauertalhalle | Germany, Maßbach, Neue Straße 30 | 2009-12-20 | -- | 2009 | 1 | |
| Lorna Byrne School | Lorna Byrne School | United States, Cave Junction, 102 S Junction Ave | 2005-12-03 | -- | 2005 | 1 | |
| Lyceum | Lyceum | United States, Rochester | 1903-04-03 | 1903-04-04 | 1903 | 1 | |
| Lessingtheater | Lessingtheater | Germany, Berlin, Friedrich-Karl-Ufer 1 | 1888-11-25 | 1913-05-13 | 1888–1923 | 131 | |
| Lyric Stage, The | The Lyric Stage | United States, Boston, 140 Clarendon Street | 1976-11-18 | 1992-02-09 | 1976–1992 | 3 | |
| Local Council of Women’s House, The | The Local Council of Women’s House | Canada, Halifax, Nova Scotia | 2013-10-30 | 2013-11-10 | 2013 | 1 | |
| Lier kommunale lokale | Lier kommunale lokale | Norway, Lier, Vestsideveien 2 | 1928-01-22 | -- | 1928 | 1 | |
| Lyric Theatre | Lyric Theatre | United States, Allentown | 1904-05-13 | 1904-05-13 | 1904 | 1 | |
| Lom | Lom | Norway, Lom | 1990-10-15 | 2008-07-28 | 1990–2008 | 2 | |
| Ladugårdslands-Teatern | Ladugårdslands-Teatern | Sweden, Stockholm, Östermalmstorg | 1877-01-31 | -- | 1877 | 1 | |
| Lydia Mendelssohn Theatre | Lydia Mendelssohn Theatre | United States, Ann Arbor, University of Michigan | 1935-05-30 | 1962-10-28 | 1935–1965 | 3 | |
| Linköpings Stadsteater | Linköpings Stadsteater | Sweden, Linköping | 1979-08-23 | -- | 1979 | 1 | |
| Lista ungdomsskole | Lista ungdomsskole | Norway, Vanse, Farsund | 2006-11-14 | -- | 2006 | 1 | |
| L`Athanor, Scène Nationale d`Albi | L`Athanor, Scène Nationale d`Albi | France, Albi, Place Amitié entre les Peuples | 2005-04-12 | -- | 2005 | 1 | |
| Lieksa | Lieksa | Finland, Lieksa | -- | -- | | | |
| Longacre Theatre (Little Studio) | Longacre Theatre (Little Studio) | United States, New York, 220 W 48th St | 1911-01-08 | 1915-04-22 | 1911–1919 | 3 | |
| Loyola Community Theater | Loyola Community Theater | United States, Chicago | 1949-03-05 | 1949-03-06 | 1949 | 1 | |
| Lokremise | Lokremise | Switzerland, St. Gallen, Grünbergstrasse 7 | 2011-11-10 | 2015-05-05 | 2011–2015 | 2 | |
| Lalmonirhat Zila Parishad Auditorium | Lalmonirhat Zila Parishad Auditorium | Bangladesh, Lalmonirhat | 2006-04-25 | 2006-04-26 | 2006 | 1 | |
| Lyric Theatre | Lyric Theatre | United States, Portland | 1908-07-07 | 1908-07-07 | 1908 | 1 | |
| Landestheater Schwaben | Landestheater Schwaben | Germany, Memmingen, Theaterplatz 2 | 1976-09-27 | 2017-04-08 | 1976–2016 | 6 | |
| Laufenburg | Laufenburg | Switzerland, Laufenburg | 1991-09-06 | -- | 1991 | 1 | |
| La Maison du Conte | La Maison du Conte | France, Chevilly-Larue, 8 Rue Albert Thuret | 1999-03-26 | 1999-03-28 | 1999 | 1 | |
| Lavikdal | Lavikdal | Norway, Lavik | 1971-03-02 | -- | 1971 | 1 | |
| Lærdalsøyri ungdomsskole | Lærdalsøyri ungdomsskole | Norway, Lærdal, 6887 Lærdal, Norway | 1975-02-19 | -- | 1975–1978 | 2 | |
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