| Tindberg, Snorre | Snorre Tindberg | Designer | 1968 - 1990 | 11 | |
| Tośta, Antoni | Antoni Tośta | Designer | 1965 | 1 | |
| Topolski, Zdzisław | Zdzisław Topolski | Designer | 1960 | 1 | |
| Treplin, Agnes | Agnes Treplin | Designer | 2002 | 1 | |
| Tvardovskaja, O. | O. Tvardovskaja | Designer | 1999 - 2000 | 2 | |
| Treutler, Malgorzata | Malgorzata Treutler | Designer | 1973 - 1989 | 2 | |
| Trad, L. | L. Trad | Designer | 1946 | 1 | |
| Tarasova, E. | E. Tarasova | Designer | 1964 | 1 | |
| Tröster, F. | F. Tröster | Designer | 1943 - 1944 | 2 | |
| Tripp, Tony | Tony Tripp | Designer | 1982 - 2002 | 3 | 1 |
| Traversa, Andrea | Andrea Traversa | Designer | 2011 | 1 | |
| Turrell, Leanne | Leanne Turrell | Designer | 2011 | 1 | |
| Thatcher, Emma | Emma Thatcher | Designer | 2010 - 2011 | 2 | |
| Täuber, Harry | Harry Täuber | Designer | 1925 | 1 | |
| Tetmajer, Włodzimierz | Włodzimierz Tetmajer | Designer | 1907 | 1 | |
| Thorstensen, Lise | Lise Thorstensen | Designer | 2007 | 1 | |
| Tichý, František | František Tichý | Designer | 1923 | 1 | |
| Thompson, Woodman | Woodman Thompson | Designer | 1926 | 1 | |
| Trim, Mervyn | Mervyn Trim | Designer | 1972 | 1 | |
| 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 | |
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