| Lyric Theatre | Lyric Theatre | England, London, Shaftesbury Avenue | 1925-02-02 | -- | 1925 | 1 | |
| Ludgo-Spelviks Bygdegård | Ludgo-Spelviks Bygdegård | Sweden, Nyköping, Ludgo-Spelviks Bygdegård | 2019-10-13 | 2019-10-13 | 2019 | 1 | |
| Lund | Lund | Sweden, Lund | 1872-02-27 | -- | 1872–1936 | 3 | |
| Little Theater | Little Theater | Tanzania, Dar Es Salaam, | 1979-04-01 | -- | 1979 | 1 | |
| Loeb Playhouse, Purdue University | Loeb Playhouse, Purdue University | United States of America, West Lafayette, 175 S University St | 2010-02-25 | -- | 2010 | 1 | |
| Lyceum Theater | Lyceum Theater | United States of America, Ithaca | 1909-12-16 | -- | 1909 | 1 | |
| Lilla Edet | Lilla Edet | Sweden, Lilla Edet | 1989-11-03 | 1989-11-03 | 1989 | 1 | |
| Laird Opera House | Laird Opera House | United States of America, Greenville | 1907-09-07 | 1907-09-07 | 1907 | 1 | |
| Lauren Kennedy and Alan Campbell Theatre at Barton College | Lauren Kennedy and Alan Campbell Theatre at Barton College | United States of America, Wilson, Woodard St NE | 2011-11-10 | 2011-11-13 | 2011 | 1 | |
| Landestheater Württemberg-Hohenzollern Tübingen Reutlingen | Landestheater Württemberg-Hohenzollern Tübingen Reutlingen | Germany, Tübingen, Eberhardstr. 6 | 2012-04-14 | 2012-07-12 | 2012 | 1 | |
| Logen Teater | Logen Teater | Norway, Bergen, Øvre Ole Bulls plass 6 | 2002-09-02 | 2012-09-01 | 2002–2012 | 4 | |
| LAKtheater | LAKtheater (Leiden Academic Arts Centre/Leids Academisch Kunstcentrum) | Netherlands, Leiden, Cleveringaplaats 1 | 2000-04-11 | 2000-04-12 | 2000–2009 | 5 | |
| Lyric Theatre | Lyric Theatre | United States of America, Portland | 1908-07-07 | 1908-07-07 | 1908 | 1 | |
| Linares | Linares | Spain, Linares | -- | -- | | | |
| Landor Theatre | Landor Theatre | England, London, 70 Landor Rd, | 2000-04-19 | 2000-05-06 | 2000 | 1 | |
| Lietuvos nacionalinis dramos teatras | Lietuvos nacionalinis dramos teatras | Lithuania, Vilnius, Gedimino pr. 4 | 2009-03-07 | 2011-01-16 | 2009–2011 | 4 | |
| Luther College | Luther College | United States of America, Decorah, 700 College Drive | 2001-02-02 | 2001-02-04 | 2001–2011 | 2 | |
| Lyric Theatre Hammersmith | Lyric Theatre Hammersmith | England, Chiswick, London, Kings Street | 1953-09-08 | 2020-05-20 | 1953–2020 | 8 | |
| Lakewood Civic Auditorium | Lakewood Civic Auditorium | United States of America, Cleveland, 14100 Franklin Boulevard | 1981-08-12 | -- | 1981 | 1 | |
| Lefkosias, Dimotiko Theatre | Dimotiko Theatre Lefkosias | Cyprus, Nikosia, Leoforos Mouseiou, 1a | 1974-05-01 | 2008-05-31 | 1974–2008 | 3 | |
| Latzer Hall | Latzer Hall | United States of America, Champaign, 1001 S. Wright Street | 1947-12-10 | -- | 1947 | 1 | |
| L'Espal | L'Espal | France, Le Mans, 60 Rue de l'Estérel | 2013-12-03 | 2014-02-26 | 2013–2014 | 2 | |
| Leningrad | Leningrad | Russia, Leningrad | 1967-06- | -- | 1967–1975 | 2 | |
| Lena | Lena | Norway, Lena | -- | -- | | | |
| Ladugårdslands-Teatern | Ladugårdslands-Teatern | Sweden, Stockholm, Östermalmstorg | 1877-01-31 | -- | 1877 | 1 | |
| Lycée Billes | Lycée Billes | Senegal, Rufisque | 2021-05-26 | -- | 2021 | 1 | |
| Lindenhalle Wolfenbüttel | Lindenhalle Wolfenbüttel | Germany, Wolfenbüttel, Halberstädter Str. 1A | 2007-02-20 | -- | 2007 | 1 | |
| Landesbühne Rheinland-Pfalz | Landesbühne Rheinland-Pfalz | Germany, Neuwied 56564, Theaterplatz 3 | 1963-02-11 | -- | 1963–1980 | 2 | |
| Lardal ungdomsskole | Lardal ungdomsskole | Norway, Svarstad, Lågaveien 26 | 2007-05-31 | -- | 2007 | 1 | |
| Lanxin Theater | Lanxin Theater | China, Shanghai, 57 Maoming S Rd, Huangpu District | 2006-06-23 | 2006-06-25 | 2006 | 1 | |
| Limelight Theatre | Limelight Theatre | United States of America, St. Augustine, 11 Old Mission Avenue | 2019-01-11 | 2019-02-03 | 2019 | 1 | |
| Liepaja | Liepaja | Latvia, Liepaja | -- | -- | | | |
| Lawrence College Memorial Chapel | Lawrence College Memorial Chapel | United States of America, Appleton, 510 E College Ave | 1935-11-19 | -- | 1935 | 1 | |
| LIPA - Sennheiser Studio Theatre | LIPA - Sennheiser Studio Theatre | England, Liverpool, Pilgrim st / Mount st | 2009-05-14 | 2009-05-14 | 2009 | 1 | |
| Landestheater Coburg | Landestheater Coburg | Germany, Coburg, Schloßpl. 6 | 1924-04-20 | 2009-05-21 | 1924–2015 | 8 | |
| Lyric Theatre | Lyric Theatre | Northern Ireland, Belfast, 55 Ridgeway Street | 1972-02-10 | 2003-10-11 | 1972–2003 | 7 | |
| Lena, Festiviteten | Festiviteten Lena (Festiviteten) | Norway, Lena | 1952-02-20 | -- | 1952–1961 | 5 | |
| Liepājas Teātris | Liepājas Teātris | Latvia, Liepaja | 1960-01-16 | -- | 1960–1997 | 4 | |
| Lobe-Theater | Lobe-Theater | Poland, Wrocław (Breslau) | 1897-03-06 | 1923-12-09 | 1897–1923 | 16 | |
| Laikmetīgās mākslas telpa Kurtuve | Valmerias Teatris, Laikmetīgās mākslas telpa Kurtuve | Latvia | 2023-06-14 | 2023-09-10 | 2023 | 1 | |
| Linköping Teater | Linköping Teater | Sweden, Linköping | 1876-05-12 | 1884-01-06 | 1876–1884 | 4 | |
| Loke Yew Hall | Loke Yew Hall | China, Hong Kong, Pok Fu Lam Rd | 1960-04-21 | 1960-04-23 | 1960 | 1 | |
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