A Universidade Aberta é membro das seguintes redes internacionais:
AASHE – Association for the Advancement of Sustainability in Higher Education
AIESAD – Asociación Iberoamericana de Educación Superior a Distancia
AULP – Associação das Universidades de Língua Portuguesa
EADPLP – Associação de Educação a Distância dos Países de Língua Portuguesa
EADTU – European Association of Distance Teaching Universities
EDEN DLE – European Distance and E-Learning Network Digital Learning Europe
EUA – European University Association
GDLN – Global Development Learning Network
GUIDE – Global Universities in Distance Education
ICDE – International Council for Open and Distance Education
UNAI – United Nations Academic Impact