| Losheim am See | Losheim am See | Germany, Losheim am See | -- | -- | | | |
| Le Théâtre | Le Théâtre | France, Auxerre, 54 Rue Joubert | 1999-03-27 | -- | 1999 | 1 | |
| Lysvenskij dramteatr | Lysvenskij dramteatr | Russia, Lysva | 1941-- | -- | 1941 | 1 | |
| Lærdalsøyri ungdomsskole | Lærdalsøyri ungdomsskole | Norway, Lærdal, 6887 Lærdal, Norway | 1975-02-19 | -- | 1975–1978 | 2 | |
| Lindesberg | Lindesberg | Sweden, Lindesberg | 1936-10-26 | -- | 1936–2002 | 3 | |
| Luna Stage | Luna Stage | United States, West Orange, 555 Valley Rd | 2004-11-18 | 2004-12-12 | 2004 | 1 | |
| Lom Samfunnshus | Lom Samfunnshus | Norway, Lom | 1973-10-01 | -- | 1973–1978 | 2 | |
| Landestheater Schwaben | Landestheater Schwaben | Germany, Memmingen, Theaterplatz 2 | 1976-09-27 | 2017-04-08 | 1976–2016 | 6 | |
| Landestheater Sondershausen | Landestheater Sondershausen | Germany, Sondershausen | 1926-10-08 | -- | 1926–1946 | 2 | |
| Lidköping | Lidköping | Sweden, Lidköping | 1936-10-09 | -- | 1936–1993 | 2 | |
| Laboratorio Teatrale Universitario | Laboratorio Teatrale Universitario | Italy, Rome | 1988-05-10 | -- | 1988 | 1 | |
| Landesbühne Sachsen-Anhalt Lutherstadt Eisleben | Landesbühne Sachsen-Anhalt Lutherstadt Eisleben | Germany, Lutherstadt Eisleben, Landwehr 5 | 2001-10-06 | 2003-04-01 | 2001–2009 | 2 | |
| Lillesand | Lillesand | Norway, Lillesand | 1958-03-12 | -- | 1958–1995 | 3 | |
| Linsly-Chittenden Hall at Yale University | Linsly-Chittenden Hall at Yale University | United States, New Haven, 55 Whitney Avenue, Suite 400 | 2012-11-12 | -- | 2012 | 1 | |
| Little Theatre Torquay | Little Theatre Torquay | England, Devon | 2008-06-03 | -- | 2008 | 1 | |
| Liepājas Jaunajā Teātris | Liepājas Jaunajā Teātris | Latvia, Liepaja | 1920-03-28 | -- | 1920–1935 | 3 | |
| Lübeck | Lübeck | Germany, Schleswig-Holstein | 1952-02-04 | -- | 1952 | 1 | |
| Lenfest Center for the Arts | Lenfest Center for the Arts | United States, New York, 615 West 129th Street | 2021-10-21 | 2021-10-24 | 2021 | 1 | |
| Leipzig | Leipzig | Germany, Leipzig | -- | -- | | | |
| Lillehammer, Kinoen | Kinoen Lillehammer | Norway, Lillehammer, Kirkegata 69 | 1965-09-23 | 1987-03-16 | 1965–1993 | 13 | |
| Leitor | Leitor | Spain, Leitor | 2010-12-04 | -- | 2010 | 1 | |
| Le Monument-National | Le Monument-National | Canada, Montreal, 1182 St Laurent Blvd | 1996-03-19 | 1996-04-13 | 1996 | 1 | |
| Landestheater Württemberg-Hohenzollern | Landestheater Württemberg-Hohenzollern | Germany, Tübingen, Eberhardstraße 6 | 1955-- | 2003-06-14 | 1955–2003 | 9 | |
| Lakselv | Lakselv | Norway, Lakselv | 1970-09-02 | -- | 1970–2009 | 4 | |
| Larvik kirke | Larvik kirke | Norway, Larvik | 2016-11-14 | -- | 2016 | 1 | |
| Lüneburger Bühne | Lüneburger Bühne | Germany, Lüneburg | 1929-09-25 | -- | 1929–1953 | 2 | |
| Lødingen | Lødingen skole (Loedingen) | Norway, Lødingen | 1968-09-10 | -- | 1968–1983 | 4 | |
| Landestheater Halle | Landestheater Halle | Germany, Halle | 1968-02-11 | -- | 1968 | 1 | |
| Laguna, La | La Laguna (Santa Cruz de Tenerife) | Spain | 1914-- | -- | 1914 | 1 | |
| Lloyd Theater, Fine Arts Building | Lloyd Theater, Fine Arts Building | United States, Lynchburg, 1971 University Blvd | 2009-03-20 | 2009-03-28 | 2009 | 1 | |
| Lippisches Landestheater | Lippisches Landestheater | Germany, Detmold | 1925-08-25 | 1931-03-11 | 1925–1934 | 3 | |
| Le Hall des Chars | Le Hall des Chars | France, Strasbourg, 10 rue du Hohwald | 2000-02-04 | 2000-02-13 | 2000 | 1 | |
| Lappeenrannan Kaupunginteatteri | Lappeenrannan Kaupunginteatteri | Finland, Lappeenranta, 56, Valtakatu | 1926-- | 2006-05-10 | 1926–2006 | 4 | |
| Landshut | Landshut | Germany, Landshut | 1893-05-15 | -- | 1893–2000 | 2 | |
| Lauertalhalle | Lauertalhalle | Germany, Maßbach, Neue Straße 30 | 2009-12-20 | -- | 2009 | 1 | |
| Lower Glasshouse Theatre | Lower Glasshouse Theatre | England, Stourbridge, Wollaston Rd | 2005-06-17 | 2005-07-24 | 2005 | 1 | |
| Live Oak Theater | Live Oak Theater | United States, Berkeley, 1301 Shattuck Ave | 2018-01-05 | 2018-01-27 | 2018 | 1 | |
| Los Angeles | Los Angeles | United States, Los Angeles | -- | -- | | | |
| Landesbühne Niedersachsen Nord | Landesbühne Niedersachsen Nord | Germany, Wilhelmshaven, Virchowstraße 44 | 1972-11-18 | -- | 1972–1975 | 2 | |
| Løken ungdomsskole | Løken ungdomsskole | Norway, Askim, Askim | 2005-11-07 | -- | 2005 | 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 | |
| Lafayette Square Opera House | Lafayette Square Opera House | United States, Washington D.C., 717 Madison Place | 1900-11-30 | 1900-11-30 | 1900 | 1 | |
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