| Linenhall Arts Centre | Linenhall Arts Centre | Ireland, Castlebar, Linenhall St | 2011-05-19 | -- | 2011 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States, New York, Fourth Avenue | 1891-03-06 | 1967-06-17 | 1891–1967 | 10 | |
| Lüneburger Bühne | Lüneburger Bühne | Germany, Lüneburg | 1929-09-25 | -- | 1929–1953 | 2 | |
| Lusaka Playhouse | Lusaka Playhouse | Zambia, Lusaka, cnr Church and Nasser Rds | 2006-12-14 | 2006-12-15 | 2006–2010 | 3 | |
| Luna Stage | Luna Stage | United States, West Orange, 555 Valley Rd | 2004-11-18 | 2004-12-12 | 2004 | 1 | |
| Leanor and Alvin Segal Theatre, The | The Leanor and Alvin Segal Theatre | Canada, Montreal, 5170 Chemin de la Côte-Sainte-Catherine | 2006-02-05 | 2006-05-26 | 2006 | 1 | |
| Lower Denton Theatre | Lower Denton Theatre | Canada, Wolfville, 15 University Ave | 2018-03-22 | 2018-03-31 | 2018 | 1 | |
| Lübeck | Lübeck | Germany, Schleswig-Holstein | 1952-02-04 | -- | 1952 | 1 | |
| Lauren Kennedy and Alan Campbell Theatre at Barton College | Lauren Kennedy and Alan Campbell Theatre at Barton College | United States, Wilson, Woodard St NE | 2011-11-10 | 2011-11-13 | 2011 | 1 | |
| Larrañaga | Larrañaga | Uruguay, Salto | 1973-08-04 | -- | 1973 | 1 | |
| Litlabø | Litlabø | Norway, Stord | 1958-03-03 | -- | 1958 | 1 | |
| Lillestrøm | Lillestrøm | Norway, Lillestrøm | 1928-03-23 | -- | 1928 | 1 | |
| Lyngdal kultursenter | Lyngdal kultursenter | Norway, Lyngdal, Grøndokka 4 | 2006-09-13 | -- | 2006–2013 | 4 | |
| Lunde 10-årige skole | Lunde 10-årige skole | Norway, Lunde, Nome | 2004-09-09 | -- | 2004–2006 | 2 | |
| Lyceum Theatre | Lyceum Theatre | United States, Scranton | 1911-12-27 | 1911-12-27 | 1911 | 1 | |
| Landestheater Detmold Sommertheater | Landestheater Detmold Sommertheater | Germany, Detmold, Theater Platz 1 | 2010-01-22 | 2010-03-27 | 2010 | 1 | |
| Lillhärdal | Lillhärdal | Sweden, Lillhärdal | 1989-10-06 | 1989-10-06 | 1989 | 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 | |
| Lyceum | Lyceum | United States, Scranton | 1907-03-25 | 1907-03-25 | 1907 | 1 | |
| Lučenec | Lučenec | Slovak Republic, Lučenec | 1912-10-08 | 1912-11-22 | 1912–1939 | 4 | |
| Langschede | Langschede | Germany, Langschede | -- | -- | | | |
| Leverkusen | Leverkusen | Germany, Leverkusen | 1977-09-20 | -- | 1977 | 1 | |
| 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 | |
| London School of Economics Dramatic Society | London School of Economics Dramatic Society | England, London, Houghton St | 1928-03-23 | -- | 1928 | 1 | |
| Leikfélag Akureyrar | Leikfélag Akureyrar | Iceland, Akureyri, Hafnarstræti 57 | 1993-10-15 | -- | 1993–1998 | 2 | |
| Leipzig, Centraltheater | Centraltheater Leipzig | Germany, Leipzig, Bosestraße 1 04109 Leipzig, Germany | 2008-09-12 | 2013-01-12 | 2008–2012 | 3 | |
| Lardal ungdomsskole | Lardal ungdomsskole | Norway, Svarstad, Lågaveien 26 | 2007-05-31 | -- | 2007 | 1 | |
| Little Theatre | Little Theatre | United States, Cincinnati | 1913-- | 1913-- | 1913 | 1 | |
| Leidse Schouwburg | Leidse Schouwburg | Netherlands, Leiden , Oude Vest 43 | 1989-03-03 | 1989-04-02 | 1989–2017 | 5 | |
| Lawrence Batley Theatre | Lawrence Batley Theatre | England, Huddersfield, Queen St | 2005-05-04 | 2011-06-22 | 2005–2011 | 2 | |
| Lahden Kaupunginteatteri | Lahden Kaupunginteatteri | Finland, Lahti, Kirkkokatu 14 | 1954-09-30 | 2012-03-24 | 1954–2011 | 6 | |
| Lucernaire Theater | Lucernaire Theater | France, Paris, 53 Rue Notre Dame des Champs | 2016-12-07 | 2017-01-21 | 2016 | 1 | |
| Leighton House Museum | Leighton House Museum | England, London, 12 Holland Park Road, Holland Park, | 2014-04-01 | 2014-04-02 | 2014 | 1 | |
| Lippisches Landestheater | Lippisches Landestheater | Germany, Detmold | 1925-08-25 | 1931-03-11 | 1925–1934 | 3 | |
| L'avant-scène théâtre | L'avant-scène théâtre | France, Paris, 75 rue des Saints-Pères | 2018-02-16 | -- | 2018 | 1 | |
| Linköping Teater | Linköping Teater | Sweden, Linköping | 1876-05-12 | 1876-05-14 | 1876–1880 | 3 | |
| Lyceum Theatre | Lyceum Theatre | England, Sheffield, 55 Norfolk Street | 1903-06-15 | 1910-06-02 | 1903–1913 | 9 | |
| Liepājas Teātris | Liepājas Teātris | Latvia, Liepaja | 1960-01-16 | -- | 1960–1997 | 4 | |
| Landestheater Linz (Arena Schauspielhaus) | Landestheater Linz (Arena Schauspielhaus) | Austria, Linz, Promenade 39 | 2015-03-27 | -- | 2015 | 1 | |
| Langesund barneskole | Langesund barneskole | Norway, Langesund, Langesund | 2006-10-27 | -- | 2006 | 1 | |
| Limassol | Limassol | Cyprus, Limassol | 1897-12-20 | 1974-05-16 | 1897–1974 | 3 | |
| Lewistown | Lewistown | United States, Lewistown | -- | -- | | | |
|
|
