| Lounge Theatre , The | The Lounge Theatre | United States of America, Los Angeles, 6201 Santa Monica Blvd | 2013-02-10 | 2018-10-07 | 2013–2018 | 2 | |
| Lørenskog | Lørenskog | Norway, Lørenskog | 1990-10-22 | -- | 1990 | 1 | |
| Leighton House Museum | Leighton House Museum | England, London, 12 Holland Park Road, Holland Park, | 2014-04-01 | 2014-04-02 | 2014 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, Atlanta | 1895-12-28 | 1895-12-28 | 1895 | 1 | |
| Langesund, Kinoen | Kinoen Langesund | Norway, Langesund | 1963-01-22 | -- | 1963–1968 | 2 | |
| Laidlaw Performing Arts Center | Laidlaw Performing Arts Center | United States of America, Mobile, 5751 University Ave | 2006-02-10 | 2006-02-18 | 2006 | 1 | |
| Laurie Theater ved Brandeis University | Laurie Theater ved Brandeis University | United States of America, Waltham | 1968-06-21 | 1968-06-22 | 1968 | 1 | |
| La Galerie | La Galerie | France, Paris, Cité Internationale Universitaire | 1977-10-04 | 1977-11-19 | 1977 | 1 | |
| Lyngdal kultursenter | Lyngdal kultursenter | Norway, Lyngdal, Grøndokka 4 | 2006-09-13 | -- | 2006–2013 | 4 | |
| Little Theatre by the Park, the | The Little Theatre by the Park | England, Chesham, Church Street | 2006-11-29 | 2006-12-02 | 2006 | 1 | |
| Länsteatern På Gotland | Länsteatern På Gotland | Sweden, Visby, Bredgatan 10 | 2019-10-04 | 2019-10-05 | 2019 | 1 | |
| Landesbibliothek | Landesbibliothek | Switzerland, Glarus, Hauptstrasse 60 | 2010-06-18 | -- | 2010 | 1 | |
| La casa de las Artes | La casa de las Artes | Spain, Laguna de Duero, Av. Juan de Austria, 3 | 2016-10-08 | -- | 2016 | 1 | |
| Liverpool Playhouse | Liverpool Playhouse | England, Liverpool, Williamson Square | 1928-03-24 | 2006-04-15 | 1928–2006 | 4 | |
| Law Center for the Arts, West Virginia Wesleyan | Law Center for the Arts, West Virginia Wesleyan | United States of America, Buckhannon, 59 College Avenue | 2009-11-11 | -- | 2009 | 1 | |
| Lowry Centre | Lowry Centre | England, Salford Quays, Pier 8 | 2000-10-24 | 2019-10-19 | 2000–2019 | 6 | |
| Litlabø | Litlabø | Norway, Stord | 1958-03-03 | -- | 1958 | 1 | |
| Lees Main Stage, University of Utah | Lees Main Stage, University of Utah | United States of America, Salt Lake City, 201 Presidents Cir | 1991-03-20 | 1991-04-06 | 1991 | 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 | |
| Lyriko Theatro | Lyriko Theatro | Greece, Patra | 1933-06-21 | -- | 1933–1949 | 3 | |
| Löwenarena Sommeri | Löwenarena Sommeri | Switzerland, Sommeri | 1989-03-18 | -- | 1989 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, New York, Fourth Avenue | 1891-03-06 | 1967-06-17 | 1891–1967 | 10 | |
| Líceum udvar | Líceum udvar | Hungary, Eger, Eszterházy tér 1 | 2007-08-17 | 2007-08-18 | 2007 | 1 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Lørenskog Kultursenter | Lørenskog Kultursenter | Norway, Lørenskog, Festplassen 1 | 2008-09-24 | -- | 2008 | 1 | |
| Landestheater Allenstein | Landestheater Allenstein | Poland, Allenstein (Olsztyn) | 1926-04-26 | -- | 1926–1938 | 2 | |
| La Baule-Escoublac | La Baule-Escoublac | France, La Baule-Escoublac | 1972-07-08 | 1972-08-11 | 1972 | 1 | |
| Lindesberg | Lindesberg | Sweden, Lindesberg | 1936-10-26 | -- | 1936–2002 | 3 | |
| LOFFT | LOFFT | Germany, Leipzig, Lindenauer Markt 21 | 2012-03-22 | -- | 2012 | 1 | |
| Lore Bronner-Bühne | Lore Bronner-Bühne | Germany, Munich | 1955-11-04 | -- | 1955 | 1 | |
| Landskrona Teater | Landskrona Teater | Sweden, Landskrona, Östergatan 18 | 1905-04-05 | -- | 1905 | 1 | |
| Leipzig | Leipzig | Germany, Leipzig | -- | -- | | | |
| Landbruksskolen | Landbruksskolen | Norway, Melsomvik | 1963-01-18 | -- | 1963 | 1 | |
| Landestheater Detmold Sommertheater | Landestheater Detmold Sommertheater | Germany, Detmold, Theater Platz 1 | 2010-01-22 | 2010-03-27 | 2010 | 1 | |
| Le Théâtre | Le Théâtre | France, Auxerre, 54 Rue Joubert | 1999-03-27 | -- | 1999 | 1 | |
| Levice | Levice | Slovak Republic, Levice | 1890-09-06 | -- | 1890–1942 | 5 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 1 | |
| Lichfield Garrick Theatre | Lichfield Garrick Theatre | England, Lichfield, Castle Dyke | 1901-05-13 | 2010-02-13 | 1901–2010 | 3 | |
| Lysekil | Lysekil | Sweden, Lysekil | 1989-11-01 | 1989-11-01 | 1989 | 1 | |
| Lyngdal kulturhus | Lyngdal kulturhus | Norway, Lyngdal, Grøndokka 4 | 2015-09-18 | 2020-09-04 | 2015–2020 | 2 | |
| La Crosse | La Crosse | United States of America, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Little Theatre | Little Theatre | Ireland, Dublin, R127, Townparks, Skerries | 1912-05-17 | 1913-12-09 | 1912–1913 | 3 | |
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