| Lead Opera House | Lead Opera House | United States, Lead | 1905-03-25 | 1905-03-25 | 1905 | 1 | |
| Langesund barneskole | Langesund barneskole | Norway, Langesund, Langesund | 2006-10-27 | -- | 2006 | 1 | |
| Lillehammer, Kinoen | Kinoen Lillehammer | Norway, Lillehammer, Kirkegata 69 | 1965-09-23 | 1987-03-16 | 1965–1993 | 13 | |
| Landmark Theatre, The | The Landmark Theatre | England, Ilfracombe, Promenade | 2011-05-03 | 2014-11-08 | 2011–2014 | 2 | |
| Landestheater Württemberg-Hohenzollern | Landestheater Württemberg-Hohenzollern | Germany, Tübingen, Eberhardstraße 6 | 1955-- | 2003-06-14 | 1955–2003 | 9 | |
| Lama teatro | Lama teatro | Portugal, Faro, Travessa Castilho 16 | 2022-07-28 | 2022-09-17 | 2022 | 1 | |
| La Galerie | La Galerie | France, Paris, Cité Internationale Universitaire | 1977-10-04 | 1977-11-19 | 1977 | 1 | |
| Lonnie Burten Baseball Field | Lonnie Burten Baseball Field | United States, Cleveland | 2011-08-02 | -- | 2011 | 1 | |
| Lindesborgs bygdegård | Lindesborgs bygdegård | Sweden, Malmköping, Lindersborgs bygdegård | 2019-09-29 | 2019-09-29 | 2019 | 1 | |
| Lefkosias, Dimotiko Theatre | Dimotiko Theatre Lefkosias | Cyprus, Nikosia, Leoforos Mouseiou, 1a | 1974-05-01 | 2008-05-31 | 1974–2008 | 3 | |
| Lounge Theatre , The | The Lounge Theatre | United States, Los Angeles, 6201 Santa Monica Blvd | 2013-02-10 | 2018-10-07 | 2013–2018 | 2 | |
| Lena | Lena | Norway, Lena | -- | -- | | | |
| Lorna Byrne School | Lorna Byrne School | United States, Cave Junction, 102 S Junction Ave | 2005-12-03 | -- | 2005 | 1 | |
| Landestheater Oldenburg | Landestheater Oldenburg | Germany, Oldenburg | 1925-04-02 | -- | 1925–1934 | 2 | |
| Liverpool | Liverpool | England, Liverpool | -- | -- | | | |
| Lyric Theatre | Lyric Theatre | United States, Allentown | 1904-05-13 | 1904-05-13 | 1904 | 1 | |
| Lappeenrannan Kaupunginteatteri | Lappeenrannan Kaupunginteatteri | Finland, Lappeenranta, 56, Valtakatu | 1926-- | 2006-05-10 | 1926–2006 | 4 | |
| Langenthal | Langenthal | Switzerland | 2003-02-11 | -- | 2003 | 1 | |
| Landesbühne Niedersachsen Nord | Landesbühne Niedersachsen Nord | Germany, Wilhelmshaven, Virchowstraße 44 | 1972-11-18 | -- | 1972–1975 | 2 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Levanger | Levanger | Norway, Levanger | 1966-05-06 | -- | 1966–2002 | 2 | |
| Law Center for the Arts, West Virginia Wesleyan | Law Center for the Arts, West Virginia Wesleyan | United States, Buckhannon, 59 College Avenue | 2009-11-11 | -- | 2009 | 1 | |
| La Crosse | La Crosse | United States, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Litlabø | Litlabø | Norway, Stord | 1958-03-03 | -- | 1958 | 1 | |
| Liepājas Teātris | Liepājas Teātris | Latvia, Liepaja | 1960-01-16 | -- | 1960–1997 | 4 | |
| Lalmonirhat Zila Parishad Auditorium | Lalmonirhat Zila Parishad Auditorium | Bangladesh, Lalmonirhat | 2006-04-25 | 2006-04-26 | 2006 | 1 | |
| Liepājas Latviešu teātris | Liepājas Latviešu teātris | Latvia, Liepāja, Teātra 4 | 1907-11-04 | 1908-04-23 | 1907–1915 | 11 | |
| Losheim am See | Losheim am See | Germany, Losheim am See | -- | -- | | | |
| Lærdalsøyri ungdomsskole | Lærdalsøyri ungdomsskole | Norway, Lærdal, 6887 Lærdal, Norway | 1975-02-19 | -- | 1975–1978 | 2 | |
| Luna Playhouse | Luna Playhouse | United States, Glendale, 3706 San Fernando Road | 2007-12-07 | 2008-01-20 | 2007 | 1 | |
| Luna Stage | Luna Stage | United States, West Orange, 555 Valley Rd | 2004-11-18 | 2004-12-12 | 2004 | 1 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 1 | |
| LG Arts Center | LG Arts Center | South Korea, Seoul, Gangnam-gu, Yeoksam-dong | 2005-03-24 | 2015-05-28 | 2005–2016 | 5 | |
| Leningradskoe televidenie | Leningradskoe televidenie (Leningrad Television) | Russia, Sankt Petersburg | 1968-- | -- | 1968 | 1 | |
| Luzerner Theater | Luzerner Theater | Switzerland, Lucerne, Theaterstrasse 2 | 2017-01-18 | 2023-06-02 | 2017–2023 | 2 | |
| LOFFT | LOFFT | Germany, Leipzig, Lindenauer Markt 21 | 2012-03-22 | -- | 2012 | 1 | |
| Lower Denton Theatre | Lower Denton Theatre | Canada, Wolfville, 15 University Ave | 2018-03-22 | 2018-03-31 | 2018 | 1 | |
| Lyriko Theatro | Lyriko Theatro | Greece, Patra | 1933-06-21 | -- | 1933–1949 | 3 | |
| Latviešu teātris | Latviešu teātris | Latvia, ?, ? | 1918-03-13 | -- | 1918 | 1 | |
| Leipziger Stadttheater, Neues Theater | Leipziger Stadttheater, Neues Theater | Germany, Leipzig, Augustusplatz | 1889-10-10 | 1922-08-13 | 1889–1922 | 42 | |
| Ljubljana | Ljubljana | Slovenia, Ljubljana | -- | -- | | | |
| Little Theatre Torquay | Little Theatre Torquay | England, Devon | 2008-06-03 | -- | 2008 | 1 | |
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