| Larnaca | Larnaca | Cyprus, Larnaca | 1973-02-27 | 1974-05-31 | 1973–1974 | 2 | |
| Ljusdal | Ljusdal | Sweden, Ljusdal | 1991-03-12 | 1991-03-12 | 1991 | 1 | |
| Lomma | Lomma | Sweden, Lomma | 1989-11-27 | 1989-11-27 | 1989–1993 | 2 | |
| Lakeside Theatre | Lakeside Theatre | England, Colchester, Essex, Wivenhoe Park, University of Essex Colchester Campus | 2005-02-23 | 2014-11-12 | 2005–2018 | 3 | |
| Lyric Theatre | Lyric Theatre | England, Hammersmith, London, Kings Street | 1953-09-08 | 2020-05-20 | 1953–2020 | 8 | |
| Landesbühne Rheinland-Pfalz | Landesbühne Rheinland-Pfalz | Germany, Neuwied 56564, Theaterplatz 3 | 1963-02-11 | -- | 1963–1980 | 2 | |
| Leveld Teaterlag | Leveld Teaterlag | Norway, Ål, Branesvegen 4 | 1995-04-01 | -- | 1995 | 1 | |
| Lakewood Civic Auditorium | Lakewood Civic Auditorium | United States of America, Cleveland, 14100 Franklin Boulevard | 1981-08-12 | -- | 1981 | 1 | |
| Ludgo-Spelviks Bygdegård | Ludgo-Spelviks Bygdegård | Sweden, Nyköping, Ludgo-Spelviks Bygdegård | 2019-10-13 | 2019-10-13 | 2019 | 1 | |
| Little Theatre Torquay | Little Theatre Torquay | England, Devon | 2008-06-03 | -- | 2008 | 1 | |
| Lawrence College Memorial Chapel | Lawrence College Memorial Chapel | United States of America, Appleton, 510 E College Ave | 1935-11-19 | -- | 1935 | 1 | |
| Leningrad | Leningrad | Russia, Leningrad | 1967-06- | -- | 1967–1975 | 2 | |
| Logan Square Masonic Temple | Logan Square Masonic Temple | United States of America, Chicago, Cnr Randolph & State Streets | 1938-12-18 | -- | 1938 | 1 | |
| L'Espal | L'Espal | France, Le Mans, 60 Rue de l'Estérel | 2013-12-03 | 2014-02-26 | 2013–2014 | 2 | |
| Lüneburger Bühne | Lüneburger Bühne | Germany, Lüneburg | 1929-09-25 | -- | 1929–1953 | 2 | |
| Lindhurst Theatre | Lindhurst Theatre | United States of America, Malibu, 24255 Pacific Coast Highway | 2018-01-23 | 2018-01-27 | 2018 | 1 | |
| Laxå | Laxå | Sweden, Laxå | 1992-10- | -- | 1992 | 1 | |
| Linares | Linares | Spain, Linares | -- | -- | | | |
| Leganés | Leganés | Spain, Leganés | 2011-03-04 | -- | 2011 | 1 | |
| Luther College | Luther College | United States of America, Decorah, 700 College Drive | 2001-02-02 | 2001-02-04 | 2001–2011 | 2 | |
| Lyric Theatre | Lyric Theatre | Northern Ireland, Belfast, 55 Ridgeway Street | 1972-02-10 | 2003-10-11 | 1972–2003 | 7 | |
| Loke Yew Hall | Loke Yew Hall | Hong Kong, Hong Kong, Pok Fu Lam Rd | 1960-04-21 | 1960-04-23 | 1960 | 1 | |
| Lincoln Hall Theatre | Lincoln Hall Theatre | United States of America, Urbana, University of Illinois at Urbana-Champaign | 1951-01-10 | 1967-07-01 | 1951–1967 | 3 | |
| Liége | Liége | Belgium, Liége | 1895-05-18 | -- | 1895 | 1 | |
| Landestheater Coburg | Landestheater Coburg | Germany, Coburg, Schloßpl. 6 | 1924-04-20 | 2009-05-21 | 1924–2015 | 8 | |
| Lena, Festiviteten | Festiviteten Lena (Festiviteten) | Norway, Lena | 1952-02-20 | -- | 1952–1961 | 5 | |
| Lower Glasshouse Theatre | Lower Glasshouse Theatre | England, Stourbridge, Wollaston Rd | 2005-06-17 | 2005-07-24 | 2005 | 1 | |
| Le Salmanazar | Le Salmanazar | France, Épernay, 8 Rue de Reims | 2014-02-11 | -- | 2014 | 1 | |
| Langesund barneskole | Langesund barneskole | Norway, Langesund, Langesund | 2006-10-27 | -- | 2006 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, Atlanta | 1895-12-28 | 1895-12-28 | 1895 | 1 | |
| Lycée Billes | Lycée Billes | Senegal, Rufisque | 2021-05-26 | -- | 2021 | 1 | |
| Lafayette Square Opera House | Lafayette Square Opera House | United States of America, Washington D.C., 717 Madison Place | 1900-11-30 | 1900-11-30 | 1900 | 1 | |
| Lewinston Opera House | Lewinston Opera House | United States of America, Lewinston | 1904-02-16 | 1904-02-16 | 1904 | 1 | |
| Latvia | Latvia | Latvia, Latvia | 1923-09-02 | -- | 1923 | 1 | |
| Landes-Theater Graz | Landes-Theater Graz | Austria, Graz | 1878-10-16 | 1878-10-29 | 1878 | 1 | |
| Liepaja | Liepaja | Latvia, Liepaja | -- | -- | | | |
| Langenhagen | Langenhagen | Germany, Langenhagen | 2010-11-10 | -- | 2010 | 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 | |
| Liegnitz | Liegnitz | Poland, Legnica | -- | -- | | | |
| Liceo Bicentenario Puente Alto | Liceo Bicentenario Puente Alto | Chile, Puente Alto, Claudio Matte 179, | 2011-09- | -- | 2011 | 1 | |
| Landestheater Oldenburg | Landestheater Oldenburg | Germany, Oldenburg | 1925-04-02 | -- | 1925–1934 | 2 | |
| Leipziger Theater - Kammerspiele | Leipziger Theater - Kammerspiele | Germany, Leipzig | 1951-05-18 | -- | 1951–1984 | 3 | |
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