| Leteurtre, Richard | Richard Leteurtre | Director, Dramaturg | 2011 | 6 | |
| Liégeois, Anne-Laure | Anne-Laure Liégeois | Director, Dramaturg | 2021 | 3 | |
| Lockwood, Jennifer | Jennifer Lockwood | Director | 2001 | 1 | |
| Lackner, Peter | Peter Lackner | Director | 2001 | 1 | |
| Laffan, Patrick | Patrick Laffan | Director | 1975 - 1984 | 3 | |
| Lahti, Katariina | Katariina Lahti | Director | 1978 - 2002 | 2 | |
| Langham, Michael | Michael Langham | Director | 1957 - 1996 | 2 | |
| Larthe, Paul | Paul Larthe | Director | 1941 | 1 | |
| Law, Caroline | Caroline Law | Director | 2004 | 1 | |
| Lazier, Gil | Gil Lazier | Director | 2003 - 2010 | 3 | |
| Leder, Peter | Peter Leder | Director | 1969 | 1 | |
| Legband, Dr. Paul | Paul Legband (Dr. Paul Legband) | Director | 1912 - 1938 | 3 | |
| Lehrman, Mike | Mike Lehrman | Director | 1975 | 1 | |
| Lhota, Karel | Karel Lhota | Director | 1957 | 1 | |
| Lidon, Christophe | Christophe Lidon | Director | 2003 | 2 | |
| Liebens, Marc | Marc Liebens | Director | 1975 - 1977 | 10 | |
| Liljeberg, Jorg | Jorg Liljeberg | Director | 1986 | 1 | |
| Linden, Gustaf | Gustaf Linden | Director | 1914 - 1925 | 5 | |
| Linke, Sybille | Sybille Linke | Director | 1998 | 1 | |
| Lloyd, Matthew | Matthew Lloyd | Director | 2005 - 2006 | 3 | |
| Löffler, Peter | Peter Löffler | Director | 1961 - 1972 | 2 | |
| Lowrey, Sara | Sara Lowrey | Director | 1928 | 2 | |
| Lynn, Jack | Jack Lynn | Director | 1950 - 1953 | 2 | |
| Lyon, Marianne | Marianne Lyon | Director | 2005 | 1 | |
| Lindsley, Charles F. | Charles F. Lindsley | Director | 1951 | 1 | |
| Lasoń, Władysław | Władysław Lasoń | Director | 1955 | 1 | |
| Larsen, Johannes Anker | Johannes Anker Larsen | Director | 1936 - 1943 | 3 | |
| Lacina, František | František Lacina | Director | 1902 - 1936 | 2 | |
| Leicester, Emilie | Emilie Leicester | Director | 1891 | 1 | |
| Lehmann, Hans Dieter | Hans Dieter Lehmann | Director | 1973 | 1 | |
| Levick, Jemima | Jemima Levick | Director | 2010 | 1 | |
| Loy, Frances | Frances Loy | Director | 2011 | 1 | |
| Laading, Herman | Herman Laading | Director | 1853 - 1861 | 4 | 1 |
| Lebrun, Theodor | Theodor Lebrun | Director | 1888 | 1 | |
| Léon, Viktor | Viktor Léon | Director | 1898 | 1 | |
| Lehmann, Julius | Julius Lehmann | Director | 1899 - 1900 | 2 | |
| Lewinger, Ernst | Ernst Lewinger | Director | 1897 - 1920 | 24 | |
| Linsemann, Paul | Paul Linsemann | Director | 1903 - 1913 | 16 | |
| Lert, Dr. Ernst | Ernst Lert (Dr. Ernst Lert) | Director | 1920 | 2 | |
| Litten, Dr. Heinz Wolfgang | Heinz Wolfgang Litten (Dr. Heinz Wolfgang Litten) | Director | 1930 - 1932 | 2 | |
| Lietzau, Hans | Hans Lietzau | Director | 1949 - 1989 | 2 | |
| Lier, František | František Lier | Director | 1906 | 1 | |
|
|
