| Landesbühnen Sachsen | Landesbühnen Sachsen | Germany, Radebeul, Meißner Straße 152 | 1981-01-17 | -- | 1981 | 1 | |
| Library Theatre | Library Theatre | England, Manchester, Central Library, St Peter's Square | 1996-03-19 | 1996-03-23 | 1996 | 1 | |
| 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 | |
| La Galerie | La Galerie | France, Paris, Cité Internationale Universitaire | 1977-10-04 | 1977-11-19 | 1977 | 1 | |
| Lake Pool Park | Lake Pool Park | United States, Cleveland | 2011-08-04 | -- | 2011 | 1 | |
| Lyngdal kulturhus | Lyngdal kulturhus | Norway, Lyngdal, Grøndokka 4 | 2015-09-18 | 2020-09-04 | 2015–2020 | 2 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Landestheater Eisenach | Landestheater Eisenach | Germany, Eisenach, Theaterplatz 7 | 1992-02-16 | 2001-06-22 | 1992–2001 | 2 | |
| Lipovăţ | Lipovăţ | Romania, Lipovăţ | -- | -- | | | |
| Little Theatre | Little Theatre | Ireland, Dublin, R127, Townparks, Skerries | 1912-05-17 | 1913-12-09 | 1912–1913 | 3 | |
| Luella Theatre | Luella Theatre | United States, Chillicothe | 1908-02-04 | 1908-02-04 | 1908 | 1 | |
| Latvijas Nacionālais teātris | Latvijas Nacionālais teātris | Latvia, Riga, Kronvalda bulvāris 2 | 1921-03-23 | 2011-03-14 | 1921–2010 | 17 | |
| Landschaftliches Theater in Linz | Landschaftliches Theater in Linz | Austria, Linz | 1878-11-13 | 1913-12-03 | 1878–1920 | 29 | |
| Leighton House Museum | Leighton House Museum | England, London, 12 Holland Park Road, Holland Park, | 2014-04-01 | 2014-04-02 | 2014 | 1 | |
| Loeb Drama Center | Loeb Drama Center | United States, Cambridge, 64 Brattle Street | 1961-03-23 | 2005-08-20 | 1961–2005 | 9 | |
| Lyngmyr ungdomsskole | Lyngmyr ungdomsskole | Norway, Tvedestrand | 1997-09-04 | 1997-09-06 | 1997 | 1 | |
| Lindesborgs bygdegård | Lindesborgs bygdegård | Sweden, Malmköping, Lindersborgs bygdegård | 2019-09-29 | 2019-09-29 | 2019 | 1 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 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 | |
| La Crosse | La Crosse | United States, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Russia, Lipeck | 1999-02-06 | -- | 1999 | 1 | |
| Lees Main Stage, University of Utah | Lees Main Stage, University of Utah | United States, Salt Lake City, 201 Presidents Cir | 1991-03-20 | 1991-04-06 | 1991 | 1 | |
| Liskeard School & Community College | Liskeard School & Community College | England, Liskeard, Luxstowe, | 2013-10-22 | 2013-10-23 | 2013 | 1 | |
| Laerdal | Lærdal (Laerdal) | Norway, Lærdal | 1970-01-31 | -- | 1970–1975 | 3 | |
| Lewistown | Lewistown | United States, Lewistown | -- | -- | | | |
| Little Theatre | Little Theatre | Australia, Adelaide, The Cloisters, The University of Adelaide | 1984-09-12 | 1984-09-28 | 1984 | 1 | |
| Lost Theatre | Lost Theatre | England, London, Vauxhall, 208 Wandsworth Road | 2010-07-27 | 2010-11-11 | 2010 | 2 | |
| Laurie Theater ved Brandeis University | Laurie Theater ved Brandeis University | United States, Waltham | 1968-06-21 | 1968-06-22 | 1968 | 1 | |
| Landestheater Neustrelitz | Landestheater Neustrelitz | Germany, Neustrelitz, Friedrich-Ludwig-Jahn-Straße 14 | 1922-09-29 | 2014-04-03 | 1922–2013 | 4 | |
| Lunde 10-årige skole | Lunde 10-årige skole | Norway, Lunde, Nome | 2004-09-09 | -- | 2004–2006 | 2 | |
| Loutkové divadlo Radost | Loutkové divadlo Radost | Czech Republic, Brno | 1985-04-26 | -- | 1985 | 1 | |
| Lunde barneskole | Lunde barneskole | Norway, Skien, Skien | 2006-11-20 | -- | 2006 | 1 | |
| Les Théâtres de la Ville de Luxembourg | Les Théâtres de la Ville de Luxembourg (Grand Théâtre de Luxembourg) | Luxembourg, Louxembourg, 1 Boulevard Robert Schuman | 2020-01-15 | 2020-11-05 | 2020 | 2 | |
| Luzerner Theater | Luzerner Theater | Switzerland, Lucerne, Theaterstrasse 2 | 2017-01-18 | 2017-02-12 | 2017 | 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 | |
| Lower Denton Theatre | Lower Denton Theatre | Canada, Wolfville, 15 University Ave | 2018-03-22 | 2018-03-31 | 2018 | 1 | |
| Landesbühne Hannover | Landesbühne Hannover | Germany, Hannover, Bultstrasse 7 | 1961-10-07 | 2000-01-18 | 1961–1999 | 6 | |
| Löwenarena Sommeri | Löwenarena Sommeri | Switzerland, Sommeri | 1989-03-18 | -- | 1989 | 1 | |
| Landor Theatre | Landor Theatre | England, London, 70 Landor Rd, | 2000-04-19 | 2000-05-06 | 2000 | 1 | |
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