| Lamporecchio | Lamporecchio | Italy, Lamporecchio | 2016-03-11 | -- | 2016 | 1 | |
| Lausanne | Lausanne | Switzerland, Lausanne | 1998-10-29 | -- | 1998 | 1 | |
| Load of Fun | Load of Fun | United States of America, Baltimore, 120 W North Ave | 2009-04-30 | 2009-05-24 | 2009 | 1 | |
| Leikanger | Leikanger | Norway, Leikanger | 1971-02-28 | -- | 1971 | 1 | |
| Lenfest Center for the Arts | Lenfest Center for the Arts | United States of America, New York, 615 West 129th Street | 2021-10-21 | 2021-10-24 | 2021 | 1 | |
| Landestheater Linz (Großes Haus) | Landestheater Linz (Großes Haus) | Austria, Linz | 1973-03-08 | -- | 1973 | 1 | |
| Loutkové divadlo Radost | Loutkové divadlo Radost | Czech Republic, Brno | 1985-04-26 | -- | 1985 | 1 | |
| Little Theatre, Central Hall, Hillsdale College | Little Theatre, Central Hall, Hillsdale College | United States of America, Hillsdale, 33 E College St | 1933-12-19 | -- | 1933 | 1 | |
| Lace Market Theatre, The | The Lace Market Theatre | England, Nottingham, Halifax Pl, | 2012-05-07 | 2012-05-23 | 2012 | 1 | |
| Lødingen, Samfunnshuset | Samfunnshuset Lødingen (Loedingen) | Norway, Lødingen, Lødingen | 2009-09-03 | -- | 2009 | 1 | |
| Lux Radio Theatre | Lux Radio Theatre | United States of America, Los Angelos, 1615 North Vine Street | 1938-06-06 | -- | 1938 | 1 | |
| Lucernaire, Théâtre du | Théâtre du Lucernaire | France, Paris, 53 rue Notre Dame des Champs | 2016-12-07 | 2017-03-12 | 2016 | 1 | |
| Little Theatre | Little Theatre | United States of America, New York, 240 West 44th Street | 1934-05-01 | -- | 1934 | 1 | |
| Lenin Balavadi | Lenin Balavadi | India, Thiruvananthapuram | 2010-04-06 | -- | 2010 | 1 | |
| Laguna, La | La Laguna (Santa Cruz de Tenerife) | Spain | 1914-- | -- | 1914 | 1 | |
| Linz | Linz | Austria, Linz | 1946-04-16 | 1946-04-17 | 1946 | 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 of America, Cleveland | 2011-08-04 | -- | 2011 | 1 | |
| Little Boston Library - S´Klallam Tribal Center | Little Boston Library - S´Klallam Tribal Center | United States of America, Kingston, 31912 Little Boston Rd NE | 2006-11-16 | -- | 2006 | 1 | |
| Løgstør | Løgstør | Denmark, Løgstør | 1907-11-04 | -- | 1907 | 1 | |
| Luella Theatre | Luella Theatre | United States of America, Chillicothe | 1908-02-04 | 1908-02-04 | 1908 | 1 | |
| Living Room Theatre | Living Room Theatre | United States of America, North Bennington, 1 Park St, VT 05257 | 2021-07-08 | 2021-07-24 | 2021 | 1 | |
| Lancaster Grand Theatre | Lancaster Grand Theatre | England, Lancaster, Saint Leonard's Gate, Town Centre | 2014-10-30 | 2014-10-30 | 2014 | 1 | |
| Landesbühnen Sachsen | Landesbühnen Sachsen | Germany, Radebeul, Meißner Straße 152 | 1981-01-17 | -- | 1981 | 1 | |
| Loeb Playhouse, Purdue University | Loeb Playhouse, Purdue University | United States of America, West Lafayette, 175 S University St | 2010-02-25 | -- | 2010 | 1 | |
| Logansport | Logansport | United States of America, Logansport | 1903-12-08 | 1903-12-08 | 1903 | 1 | |
| Liskeard School & Community College | Liskeard School & Community College | England, Liskeard, Luxstowe, | 2013-10-22 | 2013-10-23 | 2013 | 1 | |
| Ludgo-Spelviks Bygdegård | Ludgo-Spelviks Bygdegård | Sweden, Nyköping, Ludgo-Spelviks Bygdegård | 2019-10-13 | 2019-10-13 | 2019 | 1 | |
| Landestheater Dinkelsbühl | Landestheater Dinkelsbühl | Germany, Dinkelsbühl, Dr.-Martin-Luther-Straße 10 | 1992-02-19 | -- | 1992 | 1 | |
| Landdrostei Pinneberg (Gartenhaus) | Landdrostei Pinneberg (Gartenhaus) | Germany, Pinneberg | 2002-09-27 | 2002-09-29 | 2002 | 1 | |
| Laird Opera House | Laird Opera House | United States of America, 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 | |
| Lørenskog Kultursenter | Lørenskog Kultursenter | Norway, Lørenskog, Festplassen 1 | 2008-09-24 | -- | 2008 | 1 | |
| Liberty Theatre, the | The Liberty Theatre | United States of America, Hailey, 110 N Main St | 2006-02-15 | 2006-03-05 | 2006 | 1 | |
| Lyric Theatre | Lyric Theatre | United States of America, Portland | 1908-07-07 | 1908-07-07 | 1908 | 1 | |
| Landor Theatre | Landor Theatre | England, London, 70 Landor Rd, | 2000-04-19 | 2000-05-06 | 2000 | 1 | |
| Little Theatre | Little Theatre | United States of America, Chicago | 1914-04-28 | 1914-04-28 | 1914 | 1 | |
| Lillestrøm | Lillestrøm | Norway, Lillestrøm | 1928-03-23 | -- | 1928 | 1 | |
| Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Russia, Lipeck | 1999-02-06 | -- | 1999 | 1 | |
| Lycée Billes | Lycée Billes | Senegal, Rufisque | 2021-05-26 | -- | 2021 | 1 | |
| Lindenhalle Wolfenbüttel | Lindenhalle Wolfenbüttel | Germany, Wolfenbüttel, Halberstädter Str. 1A | 2007-02-20 | -- | 2007 | 1 | |
| La Jolla Playhouse | La Jolla Playhouse | United States of America, San Diego | 1987-06-30 | 1987-08-01 | 1987 | 1 | |
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