| Tanaka, Toshie | Toshie Tanaka | Designer | 2007 | 1 | |
| Taylor, James P. | James P. Taylor | Designer | 2006 | 1 | |
| Theil, Andrew | Andrew Theil | Designer | 2008 | 1 | |
| Teraguchi, Ryuta | Ryuta Teraguchi | Designer | 2016 | 1 | |
| Talavata, Purushottam | Purushottam Talavata | Designer | 2015 | 1 | |
| Toren, Roni | Roni Toren | Designer | 2010 - 2024 | 2 | |
| Thirkield, Robert | Robert Thirkield | Designer | 1964 | 1 | |
| Tanokura, Yoshi | Yoshi Tanokura | Designer | 2011 | 1 | |
| Toledo, Luis | Luis Toledo | Designer | 2012 | 1 | |
| Thompson, Carter | Carter Thompson | Designer | 2012 | 1 | |
| Thi, Travis, Tuyen | Travis Tuyen Thi | Designer | 2012 | 1 | |
| Takemasa, Asako | Asako Takemasa | Designer | 1964 | 1 | |
| Thimm, Judith | Judith Thimm | Designer | 1963 | 1 | |
| Thavoris, Yannis | Yannis Thavoris | Designer | 2012 | 2 | |
| Tziova, Poulheria | Poulheria Tziova | Designer | 2016 | 2 | |
| Todesco, Cristina | Cristina Todesco | Designer | 2011 - 2017 | 3 | |
| Tan, Huaixiang | Huaixiang Tan | Designer | 1983 | 1 | |
| Theodorakis, Giannis | Giannis Theodorakis | Designer | 2013 | 1 | |
| Töffling, Werner, Viktor | Werner Viktor Töffling | Designer | 1953 | 3 | |
| TenEyck, Karen | Karen TenEyck | Designer | 1998 | 1 | |
| Tepper, Allie | Allie Tepper | Designer | 2000 | 1 | |
| Taylor, Fanny | Fanny Taylor | Designer | 1948 - 1962 | 2 | |
| Tabački, Miodrag | Miodrag Tabački | Designer | 1984 - 2000 | 2 | |
| Tor, Behlüldane | Behlüldane Tor (Behluldane Tor) | Designer | 2014 | 1 | |
| Tenkei, Tibor | Tibor Tenkei | Designer | 2017 - 2019 | 9 | |
| Traun, Selina | Selina Traun | Designer | 2018 | 1 | |
| Turturică, Vladimir | Vladimir Turturică | Designer | 2017 - 2019 | 7 | |
| Turtur, Valentina | Valentina Turtur | Designer | 2018 | 20 | |
| Topornjina, Aleksandra | Aleksandra Topornjina | Designer | 1936 - 1944 | 3 | |
| Toneva, Ralica | Ralica Toneva | Designer | 2016 | 1 | |
| Tirole, Christian | Christian Tirole | Designer | 2019 - 2020 | 16 | |
| Tzoka, Tina | Tina Tzoka | Designer | 2020 | 1 | |
| Turner, Deanne | Deanne Turner | Designer | 1987 | 1 | |
| Taylor, Marilyn | Marilyn Taylor | Designer | 1968 - 1970 | 2 | |
| Tripunovski, Dejan | Dejan Tripunovski (Дејан Трипуновски) | Designer | 2011 | 1 | |
| Trapp, Diane | Diane Trapp | Designer | 2019 | 1 | |
| Tronstad, June | June Tronstad | Designer | 2025 | 1 | |
| Teixeira, Fepa | Fepa Teixeira | Designer | 2025 | 1 | |
| Tomov, Rumen | Rumen Tomov | Designer, Director | 1983 - 1994 | 3 | |
| Truffer, Alex | Alex Truffer | Designer, Director | 2009 | 2 | |
| Troller, Urs | Urs Troller | Designer, Director | 2010 | 2 | |
| Tester, Ted | Ted Tester | Designer, Director | 1975 | 2 | |
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