| Lyric Theatre Hammersmith | Lyric Theatre Hammersmith | England, Chiswick, London, Kings Street | 1953-09-08 | 2020-05-20 | 1953–2020 | 8 | |
| Lyric Theatre | Lyric Theatre | Northern Ireland, Belfast, 55 Ridgeway Street | 1972-02-10 | 2003-10-11 | 1972–2003 | 7 | |
| Leningrad | Leningrad | Russia, Leningrad | 1967-06- | -- | 1967–1975 | 2 | |
| Leipziger Stadttheater, Neues Theater | Leipziger Stadttheater, Neues Theater | Germany, Leipzig, Augustusplatz | 1889-10-10 | 1922-08-13 | 1889–1922 | 42 | |
| Laurel Tree Theater | Laurel Tree Theater | United States of America, Philadelphia | 2021-03-23 | 2021-04-09 | 2021 | 1 | |
| Lillesand ungdomsskole | Lillesand ungdomsskole | Norway, Lillesand | 1997-09-22 | -- | 1997 | 1 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Landestheater Allenstein | Landestheater Allenstein | Poland, Allenstein (Olsztyn) | 1926-04-26 | -- | 1926–1938 | 2 | |
| 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 | |
| La Ferme de Bel Ebat, Théâtre de Guyancourt | La Ferme de Bel Ebat, Théâtre de Guyancourt | France, Guyancourt, 1, place de Bel Ébat | 2004-01-17 | 2004-01-17 | 2004 | 1 | |
| Laxå | Laxå | Sweden, Laxå | 1992-10- | -- | 1992 | 1 | |
| Lead Opera House | Lead Opera House | United States of America, Lead | 1905-03-25 | 1905-03-25 | 1905 | 1 | |
| Litlabø | Litlabø | Norway, Stord | 1958-03-03 | -- | 1958 | 1 | |
| Landmark Theatre, The | The Landmark Theatre | England, Ilfracombe, Promenade | 2011-05-03 | 2014-11-08 | 2011–2014 | 2 | |
| Landes-Theater Graz | Landes-Theater Graz | Austria, Graz | 1878-10-16 | 1878-10-29 | 1878 | 1 | |
| Lena, Festiviteten | Festiviteten Lena (Festiviteten) | Norway, Lena | 1952-02-20 | -- | 1952–1961 | 5 | |
| Leipziger Stadttheater, Altes Theater | Leipziger Stadttheater, Altes Theater | Germany, Leipzig, Richard Wagnerplatz | 1889-10-23 | 1928-05-03 | 1889–1939 | 47 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 1 | |
| Lysekil | Lysekil | Sweden, Lysekil | 1989-11-01 | 1989-11-01 | 1989 | 1 | |
| 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 | |
| Ludvika | Ludvika | Sweden, Ludvika | 1936-10-02 | 1991-03-08 | 1936–1991 | 3 | |
| Lista ungdomsskole | Lista ungdomsskole | Norway, Vanse, Farsund | 2006-11-14 | -- | 2006 | 1 | |
| La Crosse | La Crosse | United States of America, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Latvia | Latvia | Latvia, Latvia | 1923-09-02 | -- | 1923 | 1 | |
| Lorna Byrne School | Lorna Byrne School | United States of America, Cave Junction, 102 S Junction Ave | 2005-12-03 | -- | 2005 | 1 | |
| LOFFT | LOFFT | Germany, Leipzig, Lindenauer Markt 21 | 2012-03-22 | -- | 2012 | 1 | |
| Liverpool | Liverpool | England, Liverpool | -- | -- | | | |
| Longacre Theatre (Little Studio) | Longacre Theatre (Little Studio) | United States of America, New York, 220 W 48th St | 1911-01-08 | 1915-04-22 | 1911–1919 | 3 | |
| Lloyd's Opera House | Lloyd's Opera House | United States of America, North Platte | 1908-06-11 | 1908-06-11 | 1908 | 1 | |
| Lyttelton Theatre | Lyttelton Theatre | England, London, Upper Ground | 1976-03-17 | 2017-03-21 | 1976–2016 | 5 | |
| Lyric Theatre | Lyric Theatre | United States of America, Allentown | 1904-05-13 | 1904-05-13 | 1904 | 1 | |
| Lyriko Theatro | Lyriko Theatro | Greece, Patra | 1933-06-21 | -- | 1933–1949 | 3 | |
| Langenthal | Langenthal | Switzerland | 2003-02-11 | -- | 2003 | 1 | |
| Literaturno-memorial'nyj muzej F. M. Dostoevskogo | Literaturno-memorial'nyj muzej F. M. Dostoevskogo | Russia, St Petersburg | 2003-06-07 | -- | 2003 | 1 | |
| Lloyd Theater, Fine Arts Building | Lloyd Theater, Fine Arts Building | United States of America, Lynchburg, 1971 University Blvd | 2009-03-20 | 2009-03-28 | 2009 | 1 | |
| Leipziger Theater - Kammerspiele | Leipziger Theater - Kammerspiele | Germany, Leipzig | 1951-05-18 | -- | 1951–1984 | 3 | |
| Loge, La | La Loge | France, Paris, 77 Rue de Charonne | 2016-05-10 | 2016-05-13 | 2016 | 1 | |
| lieu unique - scène nationale de Nantes, Le | Le lieu unique - scène nationale de Nantes | France, Nantes, 2 Quai Ferdinand Favre | 2013-05-15 | 2013-05-17 | 2013 | 1 | |
| Luzerner Theater | Luzerner Theater | Switzerland, Lucerne, Theaterstrasse 2 | 2017-01-18 | 2023-06-02 | 2017–2023 | 2 | |
| Lycée de Thiaroye | Lycée de Thiaroye | Senegal, Thiaroye | 2021-05-08 | -- | 2021 | 1 | |
| Landestheater Sondershausen | Landestheater Sondershausen | Germany, Sondershausen | 1926-10-08 | -- | 1926–1946 | 2 | |
| Lom Samfunnshus | Lom Samfunnshus | Norway, Lom | 1973-10-01 | -- | 1973–1978 | 2 | |
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