- RCUK Digital Economy Research Hub on Social Inclusion through the Digital [Newcastle]
- Radboud University Medical Center [Nijmegen]
- Radboud University [Nijmegen]
- Rajarambapu Institute of Technology
- Raytheon BBN Technologies
- Real Time Computing Systems Centre [Kaunas]
- Reliable and efficient component based software engineering
- Rensselaer Polytechnic Institute
- Republic University
- Research Academic Computer Technology Institute
- Research Academic Computer Technology institute [Patras]
- Research Centre for Natural Sciences
- Research Unit in Networking (RUN)
- Research and Development [General Motors]
- Research associate, FRS-F.N.R.S.
- Research at Google
- Resilience and Elasticity for Security and ScalabiliTy of dynamic networked systems
- Reykjavík University
- Rheinisch-Westfälische Technische Hochschule Aachen University
- Riga Technical University
- Rigorous System Design Laboratory [Lausanne]
- Rijkswaterstaat [Delft]
- Riot Games
- Ritsumeikan University
- Roskilde University
- Rotterdam University of Applied Sciences
- Royal Holloway [University of London]
- Royal Melbourne Institute of Technology University
- Ruhr University Bochum = Ruhr-Universität Bochum
- Rutgers University System
- Rutgers, The State University of New Jersey [New Brunswick]
- Ryerson University [Toronto]
- RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
- Réseaux d'opérateurs
- Réseaux, Mobilité et Services
- Réseaux, Systèmes, Services, Sécurité