| Turina, Drago | Drago Turina | Designer | 1975 | 1 | |
| Tapper, Yrjö | Yrjö Tapper | Designer | 1975 | 1 | |
| Tomasik, Marek | Marek Tomasik | Designer | 1979 | 1 | |
| Tilley, John | John Tilley | Designer | 1975 | 1 | |
| Taivassalo, Reino | Reino Taivassalo | Designer | 1972 | 1 | |
| Tagg, Alan | Alan Tagg | Designer | 1972 | 1 | 1 |
| Tośta, Antoni | Antoni Tośta | Designer | 1979 | 1 | |
| Tanaka, Ryo | Ryo Tanaka | Designer | 1923 | 1 | |
| Tovborg, Søren | Søren Tovborg | Designer | 1983 | 1 | |
| Tuomi, Reijo | Reijo Tuomi | Designer | 1995 | 1 | |
| Taschet, Gilles | Gilles Taschet | Designer | 2010 - 2012 | 3 | 1 |
| Tjhristianto, Joedith | Joedith Tjhristianto | Designer | 2011 | 1 | |
| Thomson, Brian | Brian Thomson | Designer | 1988 - 1991 | 2 | 1 |
| Thannen, Reinhard von der | Reinhard von der Thannen | Designer | 1992 | 1 | |
| Thompson, Fran | Fran Thompson | Designer | 1988 | 2 | |
| Treimane, Aija | Aija Treimane | Designer | 1993 | 1 | |
| Teßmann, Dietmar | Dietmar Teßmann | Designer | 1993 - 2014 | 3 | |
| Tool, Krista | Krista Tool | Designer | 1993 - 2004 | 2 | |
| Tzatsos, Thanasis | Thanasis Tzatsos | Designer | 1991 | 1 | |
| Thiel, Roswitha | Roswitha Thiel | Designer | 1994 | 1 | |
| Teixeira, Ronald | Ronald Teixeira | Designer | 1997 - 1998 | 3 | |
| Turner, Charles | Charles Turner | Designer | 1969 | 1 | |
| Tsangari, Mary | Mary Tsangari | Designer | 2015 | 1 | |
| Tiné, Hal | Hal Tiné | Designer | 1997 | 1 | |
| Toneva, Ralitza | Ralitza Toneva | Designer | 2014 | 1 | |
| Tedmon-Jones, Scott | Scott Tedmon-Jones | Designer | 2014 | 1 | |
| Takada, Ichiro | Ichiro Takada | Designer | 1968 | 1 | |
| Tokeley, Hugh | Hugh Tokeley | Designer | 1967 | 1 | |
| Török, Iván | Iván Török | Designer | 1967 | 1 | |
| Thor, Harald | Harald Thor | Designer | 2002 | 1 | 1 |
| Thornley, David | David Thornley | Designer | 2003 | 1 | 1 |
| Thorne, Gary | Gary Thorne | Designer | 2003 | 1 | 1 |
| Tempír, Nikola | Nikola Tempír | Designer | 2015 - 2016 | 2 | |
| Twenter, Ray | Ray Twenter | Designer | 2004 | 1 | |
| Tennent, Karen | Karen Tennent | Designer | 2004 | 5 | |
| Tröster, František | František Tröster | Designer | 1958 | 1 | 1 |
| Tsintsikof, Vasilis | Vasilis Tsintsikof | Designer | 2001 | 1 | |
| Thiele, Dirk | Dirk Thiele | Designer | 2005 | 1 | |
| Targońska, Teresa | Teresa Targońska | Designer | 1963 | 1 | |
| Thomopoulou, Sotiria | Sotiria Thomopoulou | Designer | 2006 | 1 | |
| Tanaka, Toshie | Toshie Tanaka | Designer | 2007 | 1 | |
| Taylor, James P. | James P. Taylor | Designer | 2006 | 1 | |
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