| Kroll, Natasha | Natasha Kroll | Designer | 1970 - 1974 | 4 | |
| Kitaev, M. | M. Kitaev | Designer | 1979 | 1 | |
| Kołodziej, Marian | Marian Kołodziej | Designer | 1975 - 1979 | 2 | |
| Kralj, Matthias | Matthias Kralj | Designer | 1966 - 1985 | 4 | |
| Krzywinski, Bjørn | Bjørn Krzywinski | Designer | 1981 | 1 | 1 |
| Kozhuharov, Borislav | Borislav Kozhuharov | Designer | 1979 | 1 | |
| King, Lawrence | Lawrence King | Designer | 1981 | 1 | 1 |
| Kinch, Miro | Miro Kinch | Designer | 1972 - 1973 | 2 | |
| Kotanen, Ed | Ed Kotanen | Designer | 1972 | 1 | |
| Klonis, Kleovoulos | Kleovoulos Klonis | Designer | 1933 - 1965 | 16 | |
| Krumenacher, Fritz | Fritz Krumenacher | Designer | 1957 | 1 | |
| Kotri, Dejan | Dejan Kotri | Designer | 1982 | 1 | |
| Kamburova, Elena | Elena Kamburova | Designer | 1993 | 1 | |
| Kastmann, Trond | Trond Kastmann | Designer | 1983 | 1 | |
| KUBUS, - | - KUBUS | Designer | 1998 | 1 | |
| Kažemėkienė, Inga | Inga Kažemėkienė | Designer | 2006 | 1 | |
| Karner, Markus | Markus Karner | Designer | 2008 - 2010 | 2 | 1 |
| Kukhianidze, Teo | Teo Kukhianidze | Designer | 2011 | 1 | |
| Kudlich, Hans | Hans Kudlich | Designer | 2012 | 21 | |
| Kristensen, Carsten | Carsten Kristensen | Designer | 1992 | 1 | |
| Kourkoutakis, Jannis | Jannis Kourkoutakis | Designer | 1976 - 1980 | 2 | |
| Kozikowski, Jan | Jan Kozikowski | Designer | 2005 - 2012 | 6 | |
| Khuen, Natalie | Natalie Khuen | Designer | 2014 | 1 | |
| Keegan, Shelagh | Shelagh Keegan | Designer | 1986 | 2 | |
| Katsioula, Elina | Elina Katsioula | Designer | 1985 | 1 | |
| Kališ, Miloň | Miloň Kališ | Designer | 1986 | 1 | |
| Krines, Rosemarie | Rosemarie Krines | Designer | 1987 | 1 | |
| Kravos, Marjan | Marjan Kravos | Designer | 1986 | 1 | |
| Kessler, Pauline | Pauline Kessler | Designer | 1986 | 1 | |
| Karm, Benny | Benny Karm | Designer | 1986 - 1987 | 3 | |
| Karm, Ingela | Ingela Karm | Designer | 1986 - 1987 | 3 | |
| Kershaw, Bryce | Bryce Kershaw | Designer | 1987 | 1 | |
| Kemter, Angelika Esther | Angelika Esther Kemter | Designer | 1984 | 1 | |
| Komorowska, Małgorzata | Małgorzata Komorowska | Designer | 1990 | 1 | |
| Kaupenjohann, Bernd | Bernd Kaupenjohann | Designer | 1990 | 1 | |
| Krogh, Guy | Guy Krogh | Designer | 1956 - 1988 | 3 | |
| Kondrat'ev, Aleksey | Aleksey Kondrat'ev (Алексей Кондратьев) | Designer | 2011 | 1 | |
| Kupfernagel, Matthias | Matthias Kupfernagel | Designer | 1988 | 1 | |
| Kerssenbrock, Verena, von | Verena von Kerssenbrock | Designer | 1991 | 3 | |
| Kammerer, Georg | Georg Kammerer | Designer | 1991 | 1 | |
| Kanter, Christoph | Christoph Kanter | Designer | 1988 | 1 | |
| Klejs, Signe | Signe Klejs | Designer | 2015 | 1 | 1 |
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