| Lynch, Patrick | Patrick Lynch (Patrick Lynch) | Designer | 2011 - 2021 | 2 | |
| Linnebach, Adolf | Adolf Linnebach (Adolf Linnebach) | Designer | 1911 - 1936 | 6 | |
| Leni, Paul | Paul Leni (Paul Leni) | Designer | 1912 | 1 | |
| Linnebach, Georg | Georg Linnebach (Georg Linnebach) | Designer | 1919 | 1 | |
| Loch, Felix | Felix Loch (Felix Loch) | Designer | 1928 - 1932 | 3 | |
| Langer, Franz | Franz Langer (Franz Langer) | Designer | 1932 | 1 | |
| Lergen, Werner | Werner Lergen (Werner Lergen) | Designer | 1934 | 1 | |
| Lange, Ferdinand | Ferdinand Lange (Ferdinand Lange) | Designer | 1946 - 1947 | 5 | |
| Lindinger, Jo | Jo Lindinger (Jo Lindinger) | Designer | 1949 | 1 | |
| Lund-Roland, Svein | Svein Lund-Roland (Svein Lund-Roland) | Designer | 1990 - 1995 | 4 | |
| Lange, Carle | Carle Lange (Carle Lange) | Designer | 1992 - 2009 | 15 | |
| Luksengard, Lars | Lars Luksengard (Lars Luksengard) | Designer | 1995 | 1 | |
| Lohne, Helge | Helge Lohne (Helge Lohne) | Designer | 1997 - 2006 | 46 | |
| Ledsaak, Marie Oust | Marie Oust Ledsaak (Marie Oust Ledsaak) | Designer | 2006 | 1 | |
| Løge, Nils | Nils Løge (Nils Løge) | Designer | 2011 | 1 | |
| Landau, Gustaw | Gustaw Landau (Gustaw Landau) | Designer | 1911 | 1 | |
| Lárusson, Ágúst | Ágúst Lárusson (Ágúst Lárusson) | Designer | 1924 - 1928 | 3 | |
| Llewellyn, Don | Don Llewellyn | Designer | 1972 | 1 | |
| Larkins, Grady | Grady Larkins | Designer | 1972 | 1 | |
| Liming, Yi | Yi Liming | Designer | 2006 - 2010 | 8 | |
| Ling, Peter | Peter Ling | Designer | 1990 | 2 | |
| Lelicińska, Kika | Kika Lelicińska | Designer | 1973 | 1 | |
| Lazaridis, Stefanos | Stefanos Lazaridis | Designer | 1975 | 1 | |
| Larsen, Odd | Odd Larsen | Designer | 1975 | 1 | |
| Lavagna, Clive | Clive Lavagna | Designer | 1979 | 1 | |
| Larsen, John, R. | John R. Larsen | Designer | 1928 | 1 | |
| Lasák, Oldřich | Oldřich Lasák | Designer | 1928 | 1 | |
| Lauterer, Arch | Arch Lauterer | Designer | 1929 - 1930 | 2 | |
| Lågland, Christer | Christer Lågland | Designer | 1983 | 1 | |
| Leslie, James | James Leslie | Designer | 1984 | 1 | |
| Leforestier, Virginie | Virginie Leforestier | Designer | 2009 - 2010 | 5 | |
| Lee, Judith | Judith Lee | Designer | 1984 | 1 | |
| Lane, Robert | Robert Lane | Designer | 1980 - 1985 | 2 | |
| Lievi, Daniele | Daniele Lievi | Designer | 1986 | 1 | |
| Ljones, Ingvil, Skeie | Ingvil Skeie Ljones | Designer | 2014 | 1 | |
| Lamb, Victoria | Victoria Lamb | Designer | 2008 | 1 | |
| Le Saché, Vickie | Vickie Le Saché | Designer | 1988 | 1 | |
| Lindgren, Bo | Bo Lindgren | Designer | 1989 | 1 | |
| Lackner, Josef | Josef Lackner | Designer | 1996 | 1 | |
| Lengstrand, Camilla | Camilla Lengstrand | Designer | 1997 | 1 | |
| Lett, Raymond | Raymond Lett | Designer | 1969 | 1 | |
| Lee, Ming Cho | Ming Cho Lee | Designer | 1969 - 1998 | 2 | |
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