| Leggett Theatre, Peace College Theatre | Leggett Theatre, Peace College Theatre | United States of America, Raleigh, 15 East Peace Street | 2002-11-06 | 2007-09-25 | 2002–2007 | 2 | |
| Loessin Playhouse | Loessin Playhouse | United States of America, Greenville, E 5th St, East Carolina University | 2006-11-16 | 2006-11-21 | 2006 | 1 | |
| Landestheater Detmold | Landestheater Detmold | Germany, Detmold, Theaterplatz 1 | 1961-03-29 | 2011-03-27 | 1961–2016 | 7 | |
| Lowry Centre | Lowry Centre | England, Salford Quays, Pier 8 | 2000-10-24 | 2019-10-19 | 2000–2019 | 6 | |
| Latviešu teātris | Latviešu teātris | Latvia, ?, ? | 1918-03-13 | -- | 1918 | 1 | |
| Landestheater Gotha-Sonderhausen | Landestheater Gotha-Sonderhausen | Germany, Gotha-Sonderhausen | 1940-10-01 | -- | 1940 | 1 | |
| Longacre Theatre | Longacre Theatre | United States of America, New York, 220 W 48th St | 1925-12-06 | -- | 1925–1942 | 3 | |
| Ljubljana | Ljubljana | Slovenia, Ljubljana | -- | -- | | | |
| Litteraturhuset | Litteraturhuset | Norway, Oslo, Wergelandsveien 29 | 2023-04-14 | 2023-04-04 | 2023 | 1 | |
| Laboratorio Teatrale Universitario | Laboratorio Teatrale Universitario | Italy, Rome | 1988-05-10 | -- | 1988 | 1 | |
| Landestheater Oldenburg | Landestheater Oldenburg | Germany, Oldenburg | 1925-04-02 | -- | 1925–1934 | 2 | |
| Linsly-Chittenden Hall at Yale University | Linsly-Chittenden Hall at Yale University | United States of America, New Haven, 55 Whitney Avenue, Suite 400 | 2012-11-12 | -- | 2012 | 1 | |
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