- R. Dr. António Bernardino de Almeida
- RIKEN - Institute of Physical and Chemical Research [Japon]
- RIKEN Center for Advanced Intelligence Project [Tokyo]
- RIKEN Center for Brain Science [Wako]
- RISC Software GmbH
- Radboud University [Nijmegen]
- Radiotelevisione Italiana
- Rajalakshmi Engineering College
- Rajalakshmi Institute of Technology
- Rajiv Gandhi National Institute of Youth Development
- Recherche Opérationnelle
- RedZinc Services Ltd.[Dublin]
- Reed College
- Remote Sensing Application and Test Base of National Satellite Meteorology Centre
- Renmin University of China
- Research Center on Fictitious Economy & Data Science
- Research Institute for Cognition and Robotics
- Research Institute of Agriculture Information
- Research Institute of New-Type Urbanization
- Research Programs Section, Hellenic Telecommunication Organization S.A. (OTE)
- Reva University Bengaluru India
- Rhythm-Based Brain Information Processing Unit [Wako]
- Riopele [Pousada De Saramagos]
- Robert Gordon University
- Roberval
- Rohini College of Engineering and Technology Anjugramam Tamil Nadu India
- Ronin Institute
- Royal College of Surgeons in Ireland
- Royal Holloway [University of London]
- Royal Netherlands Academy of Arts and Sciences
- Rundfunk Berlin-Brandenburg
- Réseau nanophotonique et optique