| Landestheater Halle | Landestheater Halle | Germany, Halle | 1968-02-11 | -- | 1968 | 1 | |
| Lievekamp | Schouwburg De Lievekamp (De Lievekamp) | Netherlands, Oss, Raadhuislaan 14 | 1975-03-10 | -- | 1975–2009 | 3 | |
| Lycée de Thiaroye | Lycée de Thiaroye | Senegal, Thiaroye | 2021-05-08 | -- | 2021 | 1 | |
| Little Fernwood Hall | Little Fernwood Hall | Canada, Victoria | 2010-06-08 | 2010-06-26 | 2010 | 1 | |
| Latzer Hall | Latzer Hall | United States of America, Champaign, 1001 S. Wright Street | 1947-12-10 | -- | 1947 | 1 | |
| Lawrence Batley Theatre | Lawrence Batley Theatre | England, Huddersfield, Queen St | 2005-05-04 | 2011-06-22 | 2005–2011 | 2 | |
| Larnaca Municipal Theatre | Larnaca Municipal Theatre | Cyprus, Larnaca | 2017-11-11 | 2017-12-20 | 2017 | 1 | |
| Luisenpark | Luisenpark | Germany, Magdeburg, Spielgartenstrasse 1 | 1895-06-15 | -- | 1895 | 1 | |
| Litteraturhuset | Litteraturhuset | Norway, Oslo, Wergelandsveien 29 | 2023-04-14 | 2023-04-04 | 2023 | 1 | |
| Liceo San José Lo Barnechea | Liceo San José Lo Barnechea | Chile, Santiago, Lo Barnechea | 2013-05- | -- | 2013 | 1 | |
| Ladugårdslands-Teatern | Ladugårdslands-Teatern | Sweden, Stockholm, Östermalmstorg | 1877-01-31 | -- | 1877 | 1 | |
| Lubuski Teatr im. Leona Kruczkowskiego | Lubuski Teatr im. Leona Kruczkowskiego | Poland, Zielona Góra, aleja Niepodległości 3/5 | 2006-06-10 | 2006-11-21 | 2006 | 1 | |
| Lamporecchio | Lamporecchio | Italy, Lamporecchio | 2016-03-11 | -- | 2016 | 1 | |
| Lausanne | Lausanne | Switzerland, Lausanne | 1998-10-29 | -- | 1998 | 1 | |
| Lowry Centre | Lowry Centre | England, Salford Quays, Pier 8 | 2000-10-24 | 2019-10-19 | 2000–2019 | 6 | |
| Lardal ungdomsskole | Lardal ungdomsskole | Norway, Svarstad, Lågaveien 26 | 2007-05-31 | -- | 2007 | 1 | |
| Load of Fun | Load of Fun | United States of America, Baltimore, 120 W North Ave | 2009-04-30 | 2009-05-24 | 2009 | 1 | |
| Los Angeles | Los Angeles | United States of America, Los Angeles | -- | -- | | | |
| London Central Y.M.C.A. | London Central Y.M.C.A. | England, London, 112 Great Russell St | 1927-11-15 | -- | 1927 | 1 | |
| Leepa-Rattner Museum of Art | Leepa-Rattner Museum of Art | United States of America, Tarpon Springs, 600 Klosterman Road | 2004-02-12 | 2004-02-22 | 2004 | 1 | |
| LPSR Akadēmiskais Raiņa Dailes teātris | Latvijas PSR Valsts Akadēmiskais Raiņa Dailes teātris | Latvia, Riga, Lāčplēša ielā 25 | 1964-03-07 | -- | 1964–1975 | 2 | |
| Leikanger | Leikanger | Norway, Leikanger | 1971-02-28 | -- | 1971 | 1 | |
| Le Parvis Scène Nationale Tarbes Pyrénées | Le Parvis Scène Nationale Tarbes Pyrénées | France, Ibos, 8 Zoning Industriel | 2005-03-22 | 2015-04-01 | 2005–2018 | 5 | |
| Loutkové divadlo Radost | Loutkové divadlo Radost | Czech Republic, Brno | 1985-04-26 | -- | 1985 | 1 | |
| Landestheater Linz (Großes Haus) | Landestheater Linz (Großes Haus) | Austria, Linz | 1973-03-08 | -- | 1973 | 1 | |
| Lungomare Garibaldi | Lungomare Garibaldi | Italy, Taranto, Lungomare Vittorio Emanuele III | 2015-09-01 | -- | 2015 | 1 | |
| Lace Market Theatre, The | The Lace Market Theatre | England, Nottingham, Halifax Pl, | 2012-05-07 | 2012-05-23 | 2012 | 1 | |
| Lobe-Theater | Lobe-Theater | Poland, Wrocław (Breslau) | 1897-03-06 | 1923-12-09 | 1897–1923 | 16 | |
| 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 | |
| Lore Bronner-Bühne | Lore Bronner-Bühne | Germany, Munich | 1955-11-04 | -- | 1955 | 1 | |
| Little Theatre, The | The Little Theatre | England, London | 1911-03-28 | -- | 1911–1935 | 2 | |
| Lenin Balavadi | Lenin Balavadi | India, Thiruvananthapuram | 2010-04-06 | -- | 2010 | 1 | |
| Luleå | Luleå | Sweden, Luleå | -- | -- | | | |
| Lugoj | Lugoj | Romania, Lugoj | 1892-03-21 | -- | 1892–1907 | 2 | |
| Liverpool Playhouse | Liverpool Playhouse | England, Liverpool, Williamson Square | 1928-03-24 | 2006-04-15 | 1928–2006 | 4 | |
| Lillhärdal | Lillhärdal | Sweden, Lillhärdal | 1989-10-06 | 1989-10-06 | 1989 | 1 | |
| Los Teatros de San Telmo | Los Teatros de San Telmo | Argentina, Buenos Aires, Cochabamba 360 | 1976-08-20 | -- | 1976 | 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 | |
| Lillehammer, Kinoen | Kinoen Lillehammer | Norway, Lillehammer, Kirkegata 69 | 1965-09-23 | 1987-03-16 | 1965–1993 | 13 | |
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