| Little Theatre, The | The Little Theatre | United States, New Haven, Lincoln Street | 1931-11-12 | 1975-03-02 | 1931–1975 | 2 | |
| Little Theatre, The | The Little Theatre | England, London | 1911-03-28 | -- | 1911–1935 | 2 | |
| Little Theatre, the | The Little Theatre | England, Hertford, Balfour St | 2005-11-10 | 2005-11-17 | 2005 | 1 | |
| Live Oak Theater | Live Oak Theater | United States, Berkeley, 1301 Shattuck Ave | 2018-01-05 | 2018-01-27 | 2018 | 1 | |
| Liverpool | Liverpool | England, Liverpool | -- | -- | | | |
| Liverpool Playhouse | Liverpool Playhouse | England, Liverpool, Williamson Square | 1928-03-24 | 2006-04-15 | 1928–2006 | 4 | |
| Ljubljana | Ljubljana | Slovenia, Ljubljana | -- | -- | | | |
| Ljusdal | Ljusdal | Sweden, Ljusdal | 1991-03-12 | 1991-03-12 | 1991 | 1 | |
| Lloyd Theater, Fine Arts Building | Lloyd Theater, Fine Arts Building | United States, Lynchburg, 1971 University Blvd | 2009-03-20 | 2009-03-28 | 2009 | 1 | |
| Lloyd's Opera House | Lloyd's Opera House | United States, North Platte | 1908-06-11 | 1908-06-11 | 1908 | 1 | |
| Lloyds storsal | Lloyds storsal | Hungary, Győr | 1928-03-31 | -- | 1928 | 1 | |
| Load of Fun | Load of Fun | United States, Baltimore, 120 W North Ave | 2009-04-30 | 2009-05-24 | 2009 | 1 | |
| Lobe-Theater | Lobe-Theater | Poland, Wrocław (Breslau) | 1897-03-06 | 1923-12-09 | 1897–1923 | 16 | |
| Local Council of Women’s House, The | The Local Council of Women’s House | Canada, Halifax, Nova Scotia | 2013-10-30 | 2013-11-10 | 2013 | 1 | |
| Loeb Drama Center | Loeb Drama Center | United States, Cambridge, 64 Brattle Street | 1961-03-23 | 2005-08-20 | 1961–2005 | 9 | |
| Loeb Playhouse, Purdue University | Loeb Playhouse, Purdue University | United States, West Lafayette, 175 S University St | 2010-02-25 | -- | 2010 | 1 | |
| Loessin Playhouse | Loessin Playhouse | United States, Greenville, E 5th St, East Carolina University | 2006-11-16 | 2006-11-21 | 2006 | 1 | |
| LOFFT | LOFFT | Germany, Leipzig, Lindenauer Markt 21 | 2012-03-22 | -- | 2012 | 1 | |
| Loft Theatre - Main House, The | The Loft Theatre - Main House | England, Leamington Spa, Victoria Terrace, Town Centre | 2007-10-17 | 2018-04-07 | 2007–2018 | 2 | |
| Logan Square Masonic Temple | Logan Square Masonic Temple | United States, Chicago, Cnr Randolph & State Streets | 1938-12-18 | -- | 1938 | 1 | |
| Logansport | Logansport | United States, Logansport | 1903-12-08 | 1903-12-08 | 1903 | 1 | |
| Loge, La | La Loge | France, Paris, 77 Rue de Charonne | 2016-05-10 | 2016-05-13 | 2016 | 1 | |
| Logen Teater | Logen Teater | Norway, Bergen, Øvre Ole Bulls plass 6 | 2002-09-02 | 2012-09-01 | 2002–2012 | 4 | |
| Lohjan Teatteri | Lohjan Teatteri | Finland, Lohja, Suurlohjankatu 12 | 1953-- | 1954-- | 1953 | 1 | |
| Lókal | Lókal | Iceland, Reykjavík | 2010-09-04 | 2010-09-05 | 2010 | 1 | |
| Loke Yew Hall | Loke Yew Hall | China, Hong Kong, Pok Fu Lam Rd | 1960-04-21 | 1960-04-23 | 1960 | 1 | |
| Lokremise | Lokremise | Switzerland, St. Gallen, Grünbergstrasse 7 | 2011-11-10 | 2015-05-05 | 2011–2015 | 2 | |
| Lokstallen Otta | Lokstallen Otta | Norway, Otta | 2006-09-15 | 2006-09-17 | 2006 | 1 | |
| Lola Montez-Saal | Lola Montez-Saal | Germany, Bad Brückenau, Heinrich-von-Bibra-Straße 25 | 2004-03-11 | -- | 2004–2011 | 2 | |
| Lom | Lom | Norway, Lom | 1990-10-15 | 2008-07-28 | 1990–2008 | 2 | |
| Lom Samfunnshus | Lom Samfunnshus | Norway, Lom | 1973-10-01 | -- | 1973–1978 | 2 | |
| Lomma | Lomma | Sweden, Lomma | 1989-11-27 | 1989-11-27 | 1989–1993 | 2 | |
| London | London | England, London | 1923-12-03 | -- | 1923–1985 | 3 | |
| London Central Y.M.C.A. | London Central Y.M.C.A. | England, London, 112 Great Russell St | 1927-11-15 | -- | 1927 | 1 | |
| London School of Economics Dramatic Society | London School of Economics Dramatic Society | England, London, Houghton St | 1928-03-23 | -- | 1928 | 1 | |
| London Theatre, The | The London Theatre | England, London, 443 New Cross Rd | 2014-01-21 | 2014-01-26 | 2014 | 1 | |
| Long Island | Long Island | United States, Freeport | 1928-04-14 | -- | 1928 | 1 | |
| Long Island Stage | Long Island Stage | United States, Long Island | 1990-02-27 | 1990-03-18 | 1990 | 1 | |
| Longacre Theatre | Longacre Theatre | United States, New York, 220 W 48th St | 1925-12-06 | -- | 1925–1942 | 3 | |
| 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 | |
| Lonnie Burten Baseball Field | Lonnie Burten Baseball Field | United States, Cleveland | 2011-08-02 | -- | 2011 | 1 | |
| Lorca | Lorca | Spain, Lorca | 1925-05-11 | -- | 1925 | 1 | |
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