| Länsteatern På Gotland | Länsteatern På Gotland | Sweden, Visby, Bredgatan 10 | 2019-10-04 | 2019-10-05 | 2019 | 1 | |
| Landestheater Schwaben | Landestheater Schwaben | Germany, Memmingen, Theaterplatz 2 | 1976-09-27 | 2017-04-08 | 1976–2016 | 6 | |
| Langesund barneskole | Langesund barneskole | Norway, Langesund, Langesund | 2006-10-27 | -- | 2006 | 1 | |
| Ludvika | Ludvika | Sweden, Ludvika | 1936-10-02 | 1991-03-08 | 1936–1991 | 3 | |
| Lunds Stadsteater | Lunds Stadsteater | Sweden, Lund, Kiliansgatan 13 | 1978-11-30 | 2000-11-11 | 1978–2010 | 3 | |
| Latvia | Latvia | Latvia, Latvia | 1923-09-02 | -- | 1923 | 1 | |
| Little Theatre, the | The Little Theatre | England, Hertford, Balfour St | 2005-11-10 | 2005-11-17 | 2005 | 1 | |
| Landmark Theatre, The | The Landmark Theatre | England, Ilfracombe, Promenade | 2011-05-03 | 2014-11-08 | 2011–2014 | 2 | |
| Landesbühne Rhein-Main | Landesbühne Rhein-Main | Germany, Frankfurt am Main | 1957-01-16 | -- | 1957 | 1 | |
| Landes-Theater Graz | Landes-Theater Graz | Austria, Graz | 1878-10-16 | 1878-10-29 | 1878 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, Harrisburg | 1904-05-12 | 1908-03-28 | 1904–1907 | 2 | |
| Landskrona Teater | Landskrona Teater | Sweden, Landskrona, Östergatan 18 | 1905-04-05 | -- | 1905 | 1 | |
| La Galerie | La Galerie | France, Paris, Cité Internationale Universitaire | 1977-10-04 | 1977-11-19 | 1977 | 1 | |
| Liége | Liége | Belgium, Liége | 1895-05-18 | -- | 1895 | 1 | |
| Laurel Tree Theater | Laurel Tree Theater | United States of America, Philadelphia | 2021-03-23 | 2021-04-09 | 2021 | 1 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Landestheater Oldenburg | Landestheater Oldenburg | Germany, Oldenburg | 1925-04-02 | -- | 1925–1934 | 2 | |
| Landesbühne Sachsen-Anhalt Lutherstadt Eisleben | Landesbühne Sachsen-Anhalt Lutherstadt Eisleben | Germany, Lutherstadt Eisleben, Landwehr 5 | 2001-10-06 | 2003-04-01 | 2001–2009 | 2 | |
| Liverpool | Liverpool | England, Liverpool | -- | -- | | | |
| Landestheater Linz (Arena Schauspielhaus) | Landestheater Linz (Arena Schauspielhaus) | Austria, Linz, Promenade 39 | 2015-03-27 | -- | 2015 | 1 | |
| Lyttelton Theatre | Lyttelton Theatre | England, London, Upper Ground | 1976-03-17 | 2017-03-21 | 1976–2016 | 5 | |
| Lincoln Performance Hall | Lincoln Performance Hall | United States of America, Portland, 1620 SW Park Avenue | 2007-02-22 | 2007-03-03 | 2007 | 1 | |
| Langenthal | Langenthal | Switzerland | 2003-02-11 | -- | 2003 | 1 | |
| Lyceum Theatre | Lyceum Theatre | England, Sheffield, 55 Norfolk Street | 1903-06-15 | 1910-06-02 | 1903–1913 | 9 | |
| 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 | |
| Los Angeles Theatre | Los Angeles Theatre | United States of America, Los Angeles | 1908-04-04 | 1908-04-04 | 1908 | 1 | |
| Lippisches Landestheater | Lippisches Landestheater | Germany, Detmold | 1925-08-25 | 1931-03-11 | 1925–1934 | 3 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 1 | |
| La Crosse | La Crosse | United States of America, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Lillehammer, Kinoen | Kinoen Lillehammer | Norway, Lillehammer, Kirkegata 69 | 1965-09-23 | 1987-03-16 | 1965–1993 | 13 | |
| Liepājas Latviešu teātris | Liepājas Latviešu teātris | Latvia, Liepāja, Teātra 4 | 1907-11-04 | 1908-04-23 | 1907–1915 | 11 | |
| Landestheater Württemberg-Hohenzollern | Landestheater Württemberg-Hohenzollern | Germany, Tübingen, Eberhardstraße 6 | 1955-- | 2003-06-14 | 1955–2003 | 9 | |
| Losheim am See | Losheim am See | Germany, Losheim am See | -- | -- | | | |
| Little Theatre, Muskingum College | Little Theatre, Muskingum College | United States of America, New Concord, 163 Stormont St | 1963-12-11 | 1963-12-14 | 1963 | 1 | |
| Lyceum Theatre | Lyceum Theatre | United States of America, Minneapolis, 82 Eleventh Street | 1892-05-02 | 1928-03-21 | 1892–1928 | 3 | |
| Leiden | Leiden | Netherlands, Leiden | 2002-06-17 | 2002-06-18 | 2002 | 1 | |
| Luna Stage | Luna Stage | United States of America, West Orange, 555 Valley Rd | 2004-11-18 | 2004-12-12 | 2004 | 1 | |
| La Crosse State Teachers College | La Crosse State Teachers College | United States of America, La Crosse | 1935-11-23 | -- | 1935 | 1 | |
| Lübeck | Lübeck | Germany, Schleswig-Holstein | 1952-02-04 | -- | 1952 | 1 | |
| LAVA de Valladolid | LAVA de Valladolid | Spain, Valladolid, Paseo de Zorrilla, 101 | 2016-03-05 | -- | 2016 | 1 | |
| Leschi Trapezikon Ypallilon | Leschi Trapezikon Ypallilon | Greece, Thessaloniki | 1933-02-16 | -- | 1933 | 1 | |
| Landestheater Schneidemühl | Landestheater Schneidemühl | Poland, Schneidemühl / Piła | 1927-01-18 | -- | 1927–1938 | 3 | |
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