| 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 | |
| Landestheater Sondershausen | Landestheater Sondershausen | Germany, Sondershausen | 1926-10-08 | -- | 1926–1946 | 2 | |
| Leiden | Leiden | Netherlands, Leiden | 2002-06-17 | 2002-06-18 | 2002 | 1 | |
| Litchfield Hills Theatre | Litchfield Hills Theatre | United States of America, Litchfield | 1939-08-15 | -- | 1939 | 1 | |
| Lids Bygdegård | Lids Bygdegård | Sweden, Nyköping, Lids kyrkby 611 | 2019-09-20 | 2019-09-20 | 2019 | 1 | |
| La Crosse State Teachers College | La Crosse State Teachers College | United States of America, La Crosse | 1935-11-23 | -- | 1935 | 1 | |
| Lac de la Triouzoune | Neuvic - Lac de la Triouzoune | France | 2023-07-21 | 2023-07-21 | 2023 | 2 | |
| Lidköping | Lidköping | Sweden, Lidköping | 1936-10-09 | -- | 1936–1993 | 2 | |
| La Ferme de Bel Ebat, Théâtre de Guyancourt | La Ferme de Bel Ebat, Théâtre de Guyancourt | France, Guyancourt, 1, place de Bel Ébat | 2004-01-17 | 2004-01-17 | 2004 | 1 | |
| Lorensbergsteatern | Lorensbergsteatern | Sweden, Gothenburg, Berzeliigatan 4 | 1917-03-09 | -- | 1917–1928 | 9 | |
| Los Angeles Actors' Theatre | Los Angeles Actors' Theatre | United States of America, Los Angeles | 1983-10-01 | -- | 1983 | 1 | |
| Laxå | Laxå | Sweden, Laxå | 1992-10- | -- | 1992 | 1 | |
| LAVA de Valladolid | LAVA de Valladolid | Spain, Valladolid, Paseo de Zorrilla, 101 | 2016-03-05 | -- | 2016 | 1 | |
| Lillesand | Lillesand | Norway, Lillesand | 1958-03-12 | -- | 1958–1995 | 3 | |
| Landestheater Schneidemühl | Landestheater Schneidemühl | Poland, Schneidemühl / Piła | 1927-01-18 | -- | 1927–1938 | 3 | |
| Landestheater Altenburg | Landestheater Altenburg | Germany, Altenburg, Theaterplatz 19 | 1919-10-05 | -- | 1919–1980 | 6 | |
| Ludvika | Ludvika | Sweden, Ludvika | 1936-10-02 | 1991-03-08 | 1936–1991 | 3 | |
| Latvia | Latvia | Latvia, Latvia | 1923-09-02 | -- | 1923 | 1 | |
| Little Fernwood Hall | Little Fernwood Hall | Canada, Victoria | 2010-06-08 | 2010-06-26 | 2010 | 1 | |
| Leitor | Leitor | Spain, Leitor | 2010-12-04 | -- | 2010 | 1 | |
| Landmark Theatre, The | The Landmark Theatre | England, Ilfracombe, Promenade | 2011-05-03 | 2014-11-08 | 2011–2014 | 2 | |
| Lawrence Batley Theatre | Lawrence Batley Theatre | England, Huddersfield, Queen St | 2005-05-04 | 2011-06-22 | 2005–2011 | 2 | |
| Länsteatern i Örebro | Länsteatern i Örebro | Sweden, Örebro, Storgatan 1 | 1969-10-29 | 2007-04-29 | 1969–2007 | 5 | |
| Larnaca Municipal Theatre | Larnaca Municipal Theatre | Cyprus, Larnaca | 2017-11-11 | 2017-12-20 | 2017 | 1 | |
| Landes-Theater Graz | Landes-Theater Graz | Austria, Graz | 1878-10-16 | 1878-10-29 | 1878 | 1 | |
| LIttle Opera House | LIttle Opera House | United States of America, Boston, 80 Norway Street | 1959-10-20 | 1959-11-03 | 1959 | 1 | |
| Lakselv | Lakselv | Norway, Lakselv | 1970-09-02 | -- | 1970–2009 | 4 | |
| Little Theatre | Little Theatre | United States of America, Cincinnati | 1913-- | 1913-- | 1913 | 1 | |
| Little Theatre, Central Hall, Hillsdale College | Little Theatre, Central Hall, Hillsdale College | United States of America, Hillsdale, 33 E College St | 1933-12-19 | -- | 1933 | 1 | |
| Lubuski Teatr im. Leona Kruczkowskiego | Lubuski Teatr im. Leona Kruczkowskiego | Poland, Zielona Góra, aleja Niepodległości 3/5 | 2006-06-10 | 2006-11-21 | 2006 | 1 | |
| Loft Theatre - Main House, The | The Loft Theatre - Main House | England, Leamington Spa, Victoria Terrace, Town Centre | 2007-10-17 | 2018-04-07 | 2007–2018 | 2 | |
| Lamporecchio | Lamporecchio | Italy, Lamporecchio | 2016-03-11 | -- | 2016 | 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 | |
| Lausanne | Lausanne | Switzerland, Lausanne | 1998-10-29 | -- | 1998 | 1 | |
| Løken ungdomsskole | Løken ungdomsskole | Norway, Askim, Askim | 2005-11-07 | -- | 2005 | 1 | |
| Load of Fun | Load of Fun | United States of America, Baltimore, 120 W North Ave | 2009-04-30 | 2009-05-24 | 2009 | 1 | |
| Larvik | Larvik | Norway, Larvik | 1883-11-30 | 1971-10-05 | 1883–2005 | 15 | |
| Lysvenskij dramteatr | Lysvenskij dramteatr | Russia, Lysva | 1941-- | -- | 1941 | 1 | |
| Liverpool | Liverpool | England, Liverpool | -- | -- | | | |
| Luisenpark | Luisenpark | Germany, Magdeburg, Spielgartenstrasse 1 | 1895-06-15 | -- | 1895 | 1 | |
| Lyttelton Theatre | Lyttelton Theatre | England, London, Upper Ground | 1976-03-17 | 2017-03-21 | 1976–2016 | 5 | |
| Liceo San José Lo Barnechea | Liceo San José Lo Barnechea | Chile, Santiago, Lo Barnechea | 2013-05- | -- | 2013 | 1 | |
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