- Danish National Academy of Music DEQARINST7105 DK0043 Syddansk Musikkonservatorium Odense (Denmark)
- Dania Academy DEQARINST0733 DK0025 Erhvervsakademi Dania Randers (Denmark)
- Damanhour University DEQARINST9716 Damanhour (Egypt)
- Dalarna University DEQARINST2320 SE0024 Högskolan Dalarna Falun (Sweden)
- D.A.Tsenov Academy of Economics DEQARINST0147 BG0013 Стопанска академия "Д. А. Ценов" - Свищов Svishtov (Bulgaria)
- D. Serikbayev East Kazakhstan State Technical University DEQARINST3117 Д.Серікбаев атындағы Шығыс-Қазақстан мемлекеттік техникалық университеті Kazakhstan
- Çankırı Karatekin University DEQARINST2446 TR0031 Çankırı Karatekin Üniversitesi Çankırı (Türkiye)
- Çankaya University DEQARINST2531 TR0116 Çankaya Üniversitesi Ankara (Türkiye)
- Çanakkale Onsekiz Mart University (Çanakkale Onsekiz Mart University) DEQARINST2445 TR0030 Çanakkale Onsekiz Mart Üniversitesi Çanakkale (Türkiye)
- Çağ University DEQARINST2530 TR0115 Çağ Üniversitesi Mersin (Türkiye)
- Częstochowa University of Management DEQARINST4799 PL0442 Wyższa Szkoła Zarządzania w Częstochowie Częstochowa (Poland)
- Czestochowa University of Technology DEQARINST1923 PL0134 Politechnika Częstochowska Częstochowa (Poland)
- Czech University of Life Sciences, Prague DEQARINST0247 CZ0003 Česká zemědělská univerzita v Praze Prague (Czech Republic)
- Czech Technical University in Prague DEQARINST0248 CZ0004 České vysoké učení technické v Praze Prague (Czech Republic)
- Cyprus University of Technology DEQARINST0224 CY0003 Τεχνολογικό Πανεπιστήμιο Κύπρου Limassol (Cyprus)
- Cyprus School of Molecular Medicine-The Cyprus Institute of Neurology and Genetics DEQARINST0243 CY0041 Nicosia (Cyprus)
- Cyprus International University DEQARINST7224 INT0807 Uluslararası Kıbrıs Üniversitesi
- Cyprus Forestry College DEQARINST4526 CY0008 Δασικό Κολέγιο Κύπρου Prodromos (Cyprus)
- Cyprus College DEQARINST0233 CY0019 Nicosia (Cyprus)
- Cyprus Business School DEQARINST4536 CY0034 The Cyprus Institute of Marketing Nicosia (Cyprus)