- Tokat Gaziosmanpaşa University DEQARINST2461 TR0046 Tokat Gaziosmanpaşa Üniversitesi Tokat (Türkiye)
- Tomas Bata University in Zlín DEQARINST0261 CZ0017 Univerzita Tomáše Bati ve Zlíně Zlín (Czech Republic)
- Tomori Pál College DEQARINST1346 HU0066 Tomori Pál Főiskola (TPFK) Budapest (Hungary)
- Tomsk Polytechnic University DEQARINST5566 Национальный исследовательский Томский политехнический университет Tomsk (Russia)
- Ton Duc Thang University DEQARINST7310 Đại học Tôn Đức Thắng Ho Chí Minh (Vietnam)
- Toraighyrov University DEQARINST3131 Торайғыров унивеситеті Kazakhstan
- Toros University DEQARINST2571 TR0156 Toros Üniversitesi Mersin (Türkiye)
- Toulon Provence Méditerranée School of Art and Design DEQARINST7756 FR0984 École supérieure d'art et de design de Toulon Provence Méditerranée
- Toulouse 1 University Capitole (Université fédérale de Toulouse-Midi-Pyrénées ) DEQARINST0929 FR0038 Université Toulouse 1 - Capitole Toulouse (France)
- Touro College Berlin DEQARINST4913 DE0845 Berlin (Germany)
- Tra Vinh University (Tra Vinh University) DEQARINST6129 Tra Vinh (Vietnam)
- Trakia University DEQARINST0183 BG0049 Тракийски Университет Stara Zagora (Bulgaria)
- Trakya University DEQARINST2510 TR0095 Trakya Üniversitesi Edirne (Türkiye)
- Transnational Academic Group DEQARINST5160 Accra (Ghana)
- Transnational University Limburg DEQARINST0110 BE0057 Transnationale Universiteit Limburg Diepenbeek (Belgium (Flemish Community))
- Transnational University Limburg DEQARINST7482 NL0067 Transnationale Universiteit Limburg Maastricht (Netherlands)
- Transport and Telecommunication Institute DEQARINST1672 LV0031 Transporta un sakaru instituts Riga (Latvia)
- Triagon Academy DEQARINST7759 MT0010 Marsa (Malta)
- Trier University of Applied Sciences DEQARINST0622 DE0341 Hochschule Trier Trier (Germany)
- Trinity College Dublin DEQARINST1356 IE0004 Dublin (Ireland)