| Lungomare Garibaldi | Lungomare Garibaldi | Italy, Taranto, Lungomare Vittorio Emanuele III | 2015-09-01 | -- | 2015 | 1 | |
| Langesund, Kinoen | Kinoen Langesund | Norway, Langesund | 1963-01-22 | -- | 1963–1968 | 2 | |
| Latvijas Nacionālais teātris | Latvijas Nacionālais teātris | Latvia, Riga, Kronvalda bulvāris 2 | 1921-03-23 | 2011-03-14 | 1921–2010 | 17 | |
| Lauren Kennedy and Alan Campbell Theatre at Barton College | Lauren Kennedy and Alan Campbell Theatre at Barton College | United States of America, Wilson, Woodard St NE | 2011-11-10 | 2011-11-13 | 2011 | 1 | |
| Le Monument-National | Le Monument-National | Canada, Montreal, 1182 St Laurent Blvd | 1996-03-19 | 1996-04-13 | 1996 | 1 | |
| Lyngdal kultursenter | Lyngdal kultursenter | Norway, Lyngdal, Grøndokka 4 | 2006-09-13 | -- | 2006–2013 | 4 | |
| Little Theatre | Little Theatre | Australia, Adelaide, The Cloisters, The University of Adelaide | 1984-09-12 | 1986-10-11 | 1984–1986 | 2 | |
| Landestheater Detmold | Landestheater Detmold | Germany, Detmold, Theaterplatz 1 | 1961-03-29 | 2011-03-27 | 1961–2016 | 7 | |
| Leutkircher Theater | Leutkircher Theater | Germany, Leutkirch im Allgäu | 2011-03-19 | -- | 2011 | 1 | |
| Live Oak Theater | Live Oak Theater | United States of America, Berkeley, 1301 Shattuck Ave | 2018-01-05 | 2018-01-27 | 2018 | 1 | |
| Lower Glasshouse Theatre | Lower Glasshouse Theatre | England, Stourbridge, Wollaston Rd | 2005-06-17 | 2005-07-24 | 2005 | 1 | |
| Lyric Opera House | Lyric Opera House | England, Hammersmith, London, King Street | 1958-03-11 | -- | 1958–1959 | 2 | |
| Lafayette Square Opera House | Lafayette Square Opera House | United States of America, Washington D.C., 717 Madison Place | 1900-11-30 | 1900-11-30 | 1900 | 1 | |
| Liepaja | Liepaja | Latvia, Liepaja | -- | -- | | | |
| Los Teatros de San Telmo | Los Teatros de San Telmo | Argentina, Buenos Aires, Cochabamba 360 | 1976-08-20 | -- | 1976 | 1 | |
| Little Theatre Group (LTG) Auditorium | Little Theatre Group (LTG) Auditorium | India, New Delhi, Copernicus Marg | 2009-12-06 | 2012-12-06 | 2009–2012 | 10 | |
| Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Lipeckij gosudarstvennyj akademiceskij teatr dramy imeni L.N | Russia, Lipeck | 1999-02-06 | -- | 1999 | 1 | |
| Lena | Lena | Norway, Lena | -- | -- | | | |
| Le Hall des Chars | Le Hall des Chars | France, Strasbourg, 10 rue du Hohwald | 2000-02-04 | 2000-02-13 | 2000 | 1 | |
| Landestheater Coburg | Landestheater Coburg | Germany, Coburg, Schloßpl. 6 | 1924-04-20 | 2009-05-21 | 1924–2015 | 8 | |
| Liegnitz | Liegnitz | Poland, Legnica | -- | -- | | | |
| La Jonquière, Théâtre de | Théâtre de La Jonquière | France, Paris, 88 Rue de La Jonquière | 2015-09-16 | 2015-09-19 | 2015 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, New York, Fourth Avenue | 1891-03-06 | 1967-06-17 | 1891–1967 | 10 | |
| Landesbühne Hannover | Landesbühne Hannover | Germany, Hannover, Bultstrasse 7 | 1961-10-07 | 2000-01-18 | 1961–1999 | 6 | |
| Liepājas Teātris | Liepājas Teātris | Latvia, Liepaja | 1960-01-16 | -- | 1960–1997 | 4 | |
| Lohjan Teatteri | Lohjan Teatteri | Finland, Lohja, Suurlohjankatu 12 | 1953-- | 1954-- | 1953 | 1 | |
| Lørenskog Kultursenter | Lørenskog Kultursenter | Norway, Lørenskog, Festplassen 1 | 2008-09-24 | -- | 2008 | 1 | |
| London | London | England, London | 1923-12-03 | -- | 1923–1985 | 3 | |
| Linenhall Arts Centre | Linenhall Arts Centre | Ireland, Castlebar, Linenhall St | 2011-05-19 | -- | 2011 | 1 | |
| Lyric Theatre | Lyric Theatre | United States of America, Jakcson | 1908-10-12 | 1908-10-12 | 1908 | 1 | |
| Little Theater | Little Theater | United States of America, Lexington, Transylvania University, W. 4th Street | 2001-11-01 | 2001-11-10 | 2001 | 1 | |
| Leikfélag Akureyrar | Leikfélag Akureyrar | Iceland, Akureyri, Hafnarstræti 57 | 1993-10-15 | -- | 1993–1998 | 2 | |
| Landestheater Tübingen | Landestheater Tübingen | Germany, Tübingen, Eberhardstraße 6 | 2008-10-10 | 2016-08-26 | 2008–2015 | 3 | |
| Latviešu teātris | Latviešu teātris | Latvia, ?, ? | 1918-03-13 | -- | 1918 | 1 | |
| Longacre Theatre | Longacre Theatre | United States of America, New York, 220 W 48th St | 1925-12-06 | -- | 1925–1942 | 3 | |
| Lama teatro | Lama teatro | Portugal, Faro, Travessa Castilho 16 | 2022-07-28 | 2022-09-17 | 2022 | 1 | |
| Lichfield Garrick Theatre | Lichfield Garrick Theatre | England, Lichfield, Castle Dyke | 1901-05-13 | 2010-02-13 | 1901–2010 | 3 | |
| Langelands Teater | Langelands Teater | Denmark, Langelands | 1909-11-01 | -- | 1909 | 2 | |
| Ljubljana | Ljubljana | Slovenia, Ljubljana | -- | -- | | | |
| London Theatre, The | The London Theatre | England, London, 443 New Cross Rd | 2014-01-21 | 2014-01-26 | 2014 | 1 | |
| Little Theatre | Little Theatre | Ireland, Dublin, R127, Townparks, Skerries | 1912-05-17 | 1913-12-09 | 1912–1913 | 3 | |
| Leipziger Schauspielhaus | Leipziger Schauspielhaus | Germany, Leipzig, Sophienstrasse 19 | 1909-01-13 | -- | 1909–1928 | 8 | |
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