| Lipovăţ | Lipovăţ | Romania, Lipovăţ | -- | -- | | | |
| Lørenskog | Lørenskog | Norway, Lørenskog | 1990-10-22 | -- | 1990 | 1 | |
| Limbažos | Limbažos | Latvia, Limbažos | 1918-08-31 | -- | 1918 | 1 | |
| Linbury Theatre | Linbury Theatre | England, London, Royal Opera House, Bow St | 2005-09-22 | 2006-06-10 | 2005–2006 | 2 | |
| Logansport | Logansport | United States, Logansport | 1903-12-08 | 1903-12-08 | 1903 | 1 | |
| La MaMa Experimental Theatre | La MaMa Experimental Theatre Club | United States, New York, 74 E 4th St | 1992-02-13 | 2002-02-03 | 1992–2002 | 2 | |
| Liskeard School & Community College | Liskeard School & Community College | England, Liskeard, Luxstowe, | 2013-10-22 | 2013-10-23 | 2013 | 1 | |
| Lloyds storsal | Lloyds storsal | Hungary, Győr | 1928-03-31 | -- | 1928 | 1 | |
| Lewistown | Lewistown | United States, Lewistown | -- | -- | | | |
| 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 | |
| Leipziger Stadttheater, Neues Theater | Leipziger Stadttheater, Neues Theater | Germany, Leipzig, Augustusplatz | 1889-10-10 | 1922-08-13 | 1889–1922 | 42 | |
| Luton Library Theatre | Luton Library Theatre | England, Luton, Bridge St | 1985-01-30 | 1993-10-02 | 1985–1993 | 2 | |
| Lillesand ungdomsskole | Lillesand ungdomsskole | Norway, Lillesand | 1997-09-22 | -- | 1997 | 1 | |
| Länsteatern På Gotland | Länsteatern På Gotland | Sweden, Visby, Bredgatan 10 | 2019-10-04 | 2019-10-05 | 2019 | 1 | |
| Lund | Lund | Sweden, Lund | 1872-02-27 | -- | 1872–1936 | 3 | |
| Loeb Playhouse, Purdue University | Loeb Playhouse, Purdue University | United States, West Lafayette, 175 S University St | 2010-02-25 | -- | 2010 | 1 | |
| Lowry Centre | Lowry Centre | England, Salford Quays, Pier 8 | 2000-10-24 | 2019-10-19 | 2000–2019 | 6 | |
| Loge, La | La Loge | France, Paris, 77 Rue de Charonne | 2016-05-10 | 2016-05-13 | 2016 | 1 | |
| Laird Opera House | Laird Opera House | United States, 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 | |
| Lore Bronner-Bühne | Lore Bronner-Bühne | Germany, Munich | 1955-11-04 | -- | 1955 | 1 | |
| Liberty Theatre, the | The Liberty Theatre | United States, Hailey, 110 N Main St | 2006-02-15 | 2006-03-05 | 2006 | 1 | |
| Lloyd's Opera House | Lloyd's Opera House | United States, North Platte | 1908-06-11 | 1908-06-11 | 1908 | 1 | |
| Lenzburg | Lenzburg | Switzerland, Lenzburg | 1991-09-12 | -- | 1991 | 1 | |
| Landor Theatre | Landor Theatre | England, London, 70 Landor Rd, | 2000-04-19 | 2000-05-06 | 2000 | 1 | |
| Lødingen | Lødingen (Loedingen) | Norway, Lødingen | 1971-03-08 | -- | 1971 | 1 | |
| Little Theatre | Little Theatre | United States, Chicago | 1914-04-28 | 1914-04-28 | 1914 | 1 | |
| Lola Montez-Saal | Lola Montez-Saal | Germany, Bad Brückenau, Heinrich-von-Bibra-Straße 25 | 2004-03-11 | -- | 2004–2011 | 2 | |
| Leipziger Stadttheater, Altes Theater | Leipziger Stadttheater, Altes Theater | Germany, Leipzig, Richard Wagnerplatz | 1889-10-23 | 1928-05-03 | 1889–1939 | 47 | |
| La Jolla Playhouse | La Jolla Playhouse | United States, San Diego | 1987-06-30 | 1987-08-01 | 1987 | 1 | |
| Lista ungdomsskole | Lista ungdomsskole | Norway, Vanse, Farsund | 2006-11-14 | -- | 2006 | 1 | |
| 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 | |
| Lycée Billes | Lycée Billes | Senegal, Rufisque | 2021-05-26 | -- | 2021 | 1 | |
| Leisure and Cultural Services Department | Leisure and Cultural Services Department | Hong Kong, Kwai Tsing District, 1-3 Pai Tau St | 2006-05-18 | 2006-06-04 | 2006 | 2 | |
| Lindenhalle Wolfenbüttel | Lindenhalle Wolfenbüttel | Germany, Wolfenbüttel, Halberstädter Str. 1A | 2007-02-20 | -- | 2007 | 1 | |
| Landesbühne Rheinland-Pfalz | Landesbühne Rheinland-Pfalz | Germany, Neuwied | 1963-02-11 | -- | 1963–1980 | 2 | |
| Landestheater Detmold Sommertheater | Landestheater Detmold Sommertheater | Germany, Detmold, Theater Platz 1 | 2010-01-22 | 2010-03-27 | 2010 | 1 | |
| Lokstallen Otta | Lokstallen Otta | Norway, Otta | 2006-09-15 | 2006-09-17 | 2006 | 1 | |
| Limfjord, Kulturcenter | Kulturcenter Limfjord | Denmark, Skive, Skyttevej 12 | 2018-09-24 | -- | 2018 | 1 | |
| Lyceum Theatre | Lyceum Theatre | England, Crewe, Cheshire, Heath Street | 1996-02-14 | 1999-10-09 | 1996–1999 | 2 | |
| Lawrence College Memorial Chapel | Lawrence College Memorial Chapel | United States, Appleton, 510 E College Ave | 1935-11-19 | -- | 1935 | 1 | |
| Leipzig, Centraltheater | Centraltheater Leipzig | Germany, Leipzig, Bosestraße 1 04109 Leipzig, Germany | 2008-09-12 | 2013-01-12 | 2008–2012 | 3 | |
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