| Lyceum Theatre | Lyceum Theatre | England, Crewe, Cheshire, Heath Street | 1996-02-14 | 1999-10-09 | 1996–1999 | 2 | |
| Lawrence College Memorial Chapel | Lawrence College Memorial Chapel | United States, Appleton, 510 E College Ave | 1935-11-19 | -- | 1935 | 1 | |
| Larnaca | Larnaca | Cyprus, Larnaca | 1973-02-27 | 1974-05-31 | 1973–1974 | 2 | |
| Langenhagen | Langenhagen | Germany, Langenhagen | 2010-11-10 | -- | 2010 | 1 | |
| Lycée de Thiaroye | Lycée de Thiaroye | Senegal, Thiaroye | 2021-05-08 | -- | 2021 | 1 | |
| Liepājas Latviešu teātris | Liepājas Latviešu teātris | Latvia, Liepāja, Teātra 4 | 1907-11-04 | 1908-04-23 | 1907–1915 | 11 | |
| Lindenhalle Wolfenbüttel | Lindenhalle Wolfenbüttel | Germany, Wolfenbüttel, Halberstädter Str. 1A | 2007-02-20 | -- | 2007 | 1 | |
| Landestheater Linz (Kammerspiele) | Landestheater Linz (Kammerspiele) | Austria, Linz, Promenade 39 | 1950-- | 2017-06-02 | 1950–2017 | 16 | |
| Landesbühne Rheinland-Pfalz | Landesbühne Rheinland-Pfalz | Germany, Neuwied 56564, Theaterplatz 3 | 1963-02-11 | -- | 1963–1980 | 2 | |
| Lokstallen Otta | Lokstallen Otta | Norway, Otta | 2006-09-15 | 2006-09-17 | 2006 | 1 | |
| Limfjord, Kulturcenter | Kulturcenter Limfjord | Denmark, Skive, Skyttevej 12 | 2018-09-24 | -- | 2018 | 1 | |
| Linköping Teater | Linköping Teater | Sweden, Linköping | 1876-05-12 | 1876-05-14 | 1876–1880 | 3 | |
| Lisbon | Lisbon | Portugal, Lisbon | 1947-04-05 | 2002-03-23 | 1947–2006 | 4 | |
| Loke Yew Hall | Loke Yew Hall | China, Hong Kong, Pok Fu Lam Rd | 1960-04-21 | 1960-04-23 | 1960 | 1 | |
| Lewis Center for the Arts - Marie and Edward Matthews '53 Acting Studio | Lewis Center for the Arts - Marie and Edward Matthews '53 Acting Studio | United States, Princeton, 185 Nassau Street | 2008-02-08 | 2008-02-16 | 2008 | 1 | |
| Linda Gross Theater | Linda Gross Theater | United States, New York, 336 W 20th St | -- | -- | | | |
| Laxå | Laxå | Sweden, Laxå | 1992-10- | -- | 1992 | 1 | |
| Leipziger Stadttheater, Neues Theater | Leipziger Stadttheater, Neues Theater | Germany, Leipzig, Augustusplatz | 1889-10-10 | 1922-08-13 | 1889–1922 | 42 | |
| Länsmuseet Murberget | Länsmuseet Murberget | Sweden, Harnosand, Murbergsvägen 31 | 1999-10-08 | -- | 1999 | 1 | |
| Litteraturhuset | Litteraturhuset | Norway, Oslo, Wergelandsveien 29 | 2023-04-14 | 2023-04-04 | 2023 | 1 | |
| Lillesand ungdomsskole | Lillesand ungdomsskole | Norway, Lillesand | 1997-09-22 | -- | 1997 | 1 | |
| Leipziger Stadttheater, Altes Theater | Leipziger Stadttheater, Altes Theater | Germany, Leipzig, Richard Wagnerplatz | 1889-10-23 | 1928-05-03 | 1889–1939 | 47 | |
| Liepājas Tautas Teātris | Liepājas Tautas Teātris | Latvia, Liepaja, Rožu laukums 5/6 | 1908-04-15 | -- | 1908–1974 | 3 | |
| Lista ungdomsskole | Lista ungdomsskole | Norway, Vanse, Farsund | 2006-11-14 | -- | 2006 | 1 | |
| Lilla Edet | Lilla Edet | Sweden, Lilla Edet | 1989-11-03 | 1989-11-03 | 1989 | 1 | |
| Lauriston Hall | Lauriston Hall | Scotland, Edinburgh, 28 Lauriston Street | 1924-07-25 | -- | 1924 | 1 | |
| Lillehammer | Lillehammer | Norway, Lillehammer | 1902-06-19 | 2021-02-18 | 1902–2021 | 12 | |
| Ljusdal | Ljusdal | Sweden, Ljusdal | 1991-03-12 | 1991-03-12 | 1991 | 1 | |
| Le Salmanazar | Le Salmanazar | France, Épernay, 8 Rue de Reims | 2014-02-11 | -- | 2014 | 1 | |
| Latvia | Latvia | Latvia, Latvia | 1923-09-02 | -- | 1923 | 1 | |
| Landestheater Schleswig | Landestheater Schleswig | Germany, Schleswig | 1954-02-28 | -- | 1954 | 1 | |
| Lakeside Theatre | Lakeside Theatre | England, Colchester, Essex, Wivenhoe Park, University of Essex Colchester Campus | 2005-02-23 | 2014-11-12 | 2005–2018 | 3 | |
| Landes-Theater Graz | Landes-Theater Graz | Austria, Graz | 1878-10-16 | 1878-10-29 | 1878 | 1 | |
| Los Teatros de San Telmo | Los Teatros de San Telmo | Argentina, Buenos Aires, Cochabamba 360 | 1976-08-20 | -- | 1976 | 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 | |
| Logan Square Masonic Temple | Logan Square Masonic Temple | United States, Chicago, Cnr Randolph & State Streets | 1938-12-18 | -- | 1938 | 1 | |
| Little Theatre, The | The Little Theatre | United States, New Haven, Lincoln Street | 1931-11-12 | 1975-03-02 | 1931–1975 | 2 | |
| Liceo Bicentenario Puente Alto | Liceo Bicentenario Puente Alto | Chile, Puente Alto, Claudio Matte 179, | 2011-09- | -- | 2011 | 1 | |
| 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 | |
| LAKtheater | LAKtheater (Leiden Academic Arts Centre/Leids Academisch Kunstcentrum) | Netherlands, Leiden, Cleveringaplaats 1 | 2000-04-11 | 2000-04-12 | 2000–2009 | 5 | |
| Lindhurst Theatre | Lindhurst Theatre | United States, Malibu, 24255 Pacific Coast Highway | 2018-01-23 | 2018-01-27 | 2018 | 1 | |
| Linares | Linares | Spain, Linares | -- | -- | | | |
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