| Kita, Renzo | Renzo Kita | Designer | 1909 | 1 | |
| Kennedy, Joseph B. | Joseph B. Kennedy | Designer | 2004 - 2006 | 23 | |
| Kajita, Kei | Kei Kajita | Designer | 1912 | 1 | |
| Kuga, J. | Jānis Kuga (J. Kuga) | Designer | 1914 | 2 | |
| Kundziņš, P. | P. Kundziņš | Designer | 1915 | 1 | |
| Kuzyszyn, Ryszard | Ryszard Kuzyszyn | Designer | 1971 | 1 | |
| Kibart, David | David Kibart | Designer | 1974 - 1980 | 2 | |
| Kiskiinen, Tero | Tero Kiskiinen | Designer | 1978 | 1 | |
| Khell, Zsolt | Zsolt Khell | Designer | 2007 - 2010 | 6 | |
| Kellogg, Marjorie Bradley | Marjorie Bradley Kellogg | Designer | 1981 - 1990 | 2 | 1 |
| Keatley, Gwen | Gwen Keatley | Designer | 1975 | 1 | |
| Klosowski, Andreas | Andreas Klosowski | Designer | 1978 | 1 | |
| Kearns, Hugh | Hugh Kearns | Designer | 1975 | 1 | |
| 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 | |
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