| Parveen Fatemeh | Rupani | Cranfield University | United Kingdom | Energy | Environmental Biotechnology | worldtopscientists.com |
| JERINA | RUGJI | Independent Researcher | Turkey | Agricultural and Biological Sciences | Food and Dairy Science | worldtopscientists.com |
| Christos | Roumeliotis | University of Western Macedonia | Greece | Computer Science | Blockchain Technology | worldtopscientists.com |
| FEDERICA | ROSSETTO | IRCCS Fondazione Don Carlo Gnocchi ONLUS | Italy | Psychology | Social Cognition, Neuroscience | worldtopscientists.com |
| Sobhan | Roshani | Islamic Azad University, Kermanshah, Iran | Iran | Engineering | Microwae, AI | worldtopscientists.com |
| Vasiliy | Rosen | The Hebrew University of Jerusal | Israel | Agricultural and Biological Sciences | water quality | worldtopscientists.com |
| Eduardo | Ropelle | University of Campinas (UNICAMP) | Brazil | Biochemistry, Genetics and Molecular Biology | Molecular biology of exercise | |
| Luciane | Romao | Universidade Federal de Sergipe | Brazil | Chemistry | Análise de Traços e Quimica Ambiental | |
| Sonali | Rokade | VIT Bhopal University | India | Engineering | Computer Science and Engineering | worldtopscientists.com |
| Javier | Rodríguez | University of Jaén | Spain | Agricultural and Biological Sciences | Microbiology | worldtopscientists.com |
| VICTOR | RODRIGUEZ | INIFAP | Mexico | Environmental Science | climate change | worldtopscientists.com |
| Leandro | Rocha | Federal University of São Carlos (UFSCar) | Brazil | Materials Science | Semiconductors | worldtopscientists.com |
| Beltran | Roca | Universidad de Cádiz | Spain | Social Sciences | Sociology | worldtopscientists.com |
| Junaid | Riaz | Kunming University of Science and Technology | China | Materials Science | Supercapacitor | worldtopscientists.com |
| Md Nasim | Reza | Chungnam National University, Daejeon, KOrea | South Korea | Agricultural and Biological Sciences | Agricultural Engineering, Biosystems Engineering | worldtopscientists.com |
| Renee | Reynolds | University at Buffalo | United States | Neuroscience | Residency Training | worldtopscientists.com |
| David | Reynalte-Tataje | Universidade Federal da Fronteira Sul | Brazil | Environmental Science | Biologia da Conservação | worldtopscientists.com |
| Djamila | Rekioua | University of Bejaia | Algeria | Engineering | Energies renouvelables | worldtopscientists.com |
| Muhammad Muqeet | Rehman | Jeju National University, South Korea | South Korea | Energy | Biowaste based Triboelectric Energy Harvesting | worldtopscientists.com |
| srilatha | Reddy | CVR College of Engineering | India | Engineering | Signal Processing with VLSI | worldtopscientists.com |