| Lösche, Florian | Florian Lösche | Designer | 2010 - 2017 | 4 | |
| luckydave | luckydave - | Designer | 2010 | 1 | |
| Lieber, Kathryn | Kathryn Lieber | Designer | 2011 | 1 | |
| Llao, Pablo | Pablo Llao | Designer | 2011 - 2013 | 10 | |
| Lippmann, Malve | Malve Lippmann | Designer | 2013 | 1 | |
| Lammers, Britta | Britta Lammers | Designer | 2015 | 1 | |
| Lewis, Dan | Dan Lewis | Designer | 2012 | 1 | |
| Lindblad, Gunnar | Gunnar Lindblad | Designer | 1958 - 1961 | 2 | |
| Lynch, Jennifer | Jennifer Lynch | Designer | 2012 | 1 | 1 |
| Løvaas, Jon | Jon Løvaas | Designer | 2011 | 1 | 1 |
| Lazarov, Konstantin | Konstantin Lazarov | Designer | 2013 | 1 | |
| Lush, Robert | Robert Lush | Designer | 1957 | 3 | |
| Laiho, Kauno | Kauno Laiho | Designer | 1957 | 1 | |
| Lazanu, Dana | Dana Lazanu | Designer | 1977 | 1 | |
| Lawrence, Billee | Billee Lawrence | Designer | 1956 | 1 | |
| Liu, Yuansheng | Yuansheng Liu | Designer | 1983 - 2007 | 2 | 1 |
| Lazarus, Marian | Marian Lazarus | Designer | 1953 | 1 | |
| Landwehr, Hugh | Hugh Landwehr | Designer | 1999 | 1 | |
| Līkums, Herberts | Herberts Līkums | Designer | 1937 | 1 | |
| Löffel, Frauke | Frauke Löffel | Designer | 2017 | 1 | |
| Lara, Manuel | Manuel Lara | Designer | 2000 | 1 | |
| Lundquist, Peter | Peter Lundquist | Designer | 2000 | 3 | 1 |
| Li, Aili | Aili Li | Designer | 2016 | 3 | |
| Lam, Władysław | Władysław Lam | Designer | 1927 | 1 | |
| Luzzati, Lele | Lele Luzzati | Designer | 1973 - 1974 | 2 | |
| Linke, Maya | Maya Linke | Designer | 2017 | 1 | |
| Lemaignen, Aurélie | Aurélie Lemaignen | Designer | 2018 - 2021 | 20 | |
| Levendoğlu, Tarık | Tarık Levendoğlu (Tarik Levendoglu) | Designer | 1960 | 1 | |
| López, Antonio, Mancera | Antonio Mancera López | Designer | 1981 | 1 | |
| Lund, Troels | Troels Lund | Designer | 1895 | 15 | |
| Lange, Dieter | Dieter Lange | Designer | 1992 | 1 | |
| Lund, Carl | Carl Lund | Designer | 1899 - 1900 | 3 | |
| Lukie, Sofia | Sofia Lukie | Designer | 2017 | 1 | |
| López, Fidel | Fidel López | Designer | 2018 | 1 | |
| Lisiansky, Alexander | Alexander Lisiansky | Designer | 2016 | 1 | |
| Ler, Mirna | Mirna Ler | Designer | 2015 - 2022 | 3 | |
| Laginja, Dalibor | Dalibor Laginja | Designer | 2001 | 1 | |
| Leskovac, Mileta | Mileta Leskovac | Designer | 1955 - 1978 | 2 | |
| Lupač, N. | N. Lupač | Designer | 1951 | 1 | |
| Lalenkov, B. | B. Lalenkov | Designer | 1940 | 1 | |
| Lorenzo, Carlos | Carlos Lorenzo | Designer | 2014 - 2017 | 11 | |
| Lisjanskij, A. | A. Lisjanskij | Designer | 1989 | 1 | |
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