- Autonomous University of Barcelona, "Escola Universitària Salesiana de Sarrià" University School DEQARINST4972 Escola Universitària Salesiana de Sarrià Barcelona (Spain)
- Autonomous University of Barcelona DEQARINST0786 ES0016 Universitat Autònoma de Barcelona Barcelona (Spain)
- Autonome Hoschule Ostbelgien DEQARINST7563 BE0999 Eupen (Belgium (German-speaking Community))
- Augustana-Hochschule Neuendettelsau (ev) DEQARINST0429 DE0120 Neuendettelsau (Germany)
- Augsburg University of Applied Sciences DEQARINST0519 DE0224 Hochschule für angewandte Wissenschaften Augsburg Augsburg (Germany)
- Audiencia Business School DEQARINST4613 FR0403 Audencia Nantes Ecole de management Nantes (France)
- Atılım University DEQARINST2522 TR0107 Atılım Üniversitesi Ankara (Türkiye)
- Atyrau State University named after Kh.Dosmukhamedov DEQARINST3114 Х.Досмұхамедов атындағы Атырау мемлекеттік университеті Kazakhstan
- Atyrau Oil and Gas Institute DEQARINST3115 Атырау мұнай және газ институты Kazakhstan
- Atma Jaya Catholic University of Indonesia DEQARINST8746 Universitas Katolik Indonesia Atma Jaya Jakarta (Indonesia)
- Atlântico Business School DEQARINST2175 PT0114 Escola Superior de Negócios Atlântico Vila Nova de Gaia (Portugal)
- Atlântica University DEQARINST2152 PT0072 Universidade Atlântica Barcarena (Portugal)
- Atlântica High Health School DEQARINST7268 PT0148 Escola Superior de Saúde Atlântica Barcarena (Portugal)
- Atlântica - Instituto Universitário DEQARINST7267 PT0147 Barcarena (Portugal)
- Atlantis Medical College DEQARINST7070 NO0810 Norges Høyskole for Helsefag Oslo (Norway)
- Atlantis College DEQARINST4531 CY0028 Famagusta (Cyprus)
- Atlantic Technological University DEQARINST7745 IE0031 Letterkenny (Ireland)
- Atlantic Technical University DEQARINST8669 Mindelo (Cape Verde)
- Athrofa Padarn Sant/St Padarn's Institute DEQARINST9407 UK0827 Corff Cynrychiolwyr yr Eglwys yng Nghymru Cardiff (United Kingdom (Wales))
- Athenaeum University of Bucharest DEQARINST2257 RO0070 Universitatea „Athenaeum” din București Bucharest (Romania)