The University of Salamanca is a prestigious institution in the international sphere and proof of this is that it is part of and actively works with key International University Networks. The management of this area is carried out by the International Relations Service:
- Latin American University Postgraduate Association - AUIP
- Coimbra Group CG
- European University Association - EUA
- European Association for International Education - EAIE
- Latin American University Postgraduate Association - AUIP
- Asia-Europe Foundation - ASEF
- Mediterranean Universities Unit
- International University Rector Association - IAUP
- Institutional Management in Higher Education - IMHE
- International Association of Universities - IAU