| Dr | Shafiqur | Rehman | King Fahd University of Petroleum and Minerals | Saudi Arabia | Engineering | Renewable Energy | Best Researcher Award | bestpaperawards.com |
| Mr | ATIF | REHMAN | NUST | Pakistan | Engineering | Control system | Best Researcher Award | bestpaperawards.com |
| Assoc. Prof. Dr | Edna Maria Vissoci | Reiche | Universidade Estadual de Londrina; Pontifícia Universidade Católica do Paraná, Campus Londrina, Escola de Medicina | Brazil | Immunology and Microbiology | Imunologia Clínica/Imunopatologia/Biomarcadores genéticos e moleculares r | Best Researcher Award | bestpaperawards.com |
| Dr | Yitian | Ren | The University of Manchester | United Kingdom | Social Sciences | Sustainable, Healthy and Smart Cities, Urban Studies, Sustainability Science | Best Researcher Award | bestpaperawards.com |
| Prof | David | RENAULT | University of Rennes 1, UMR CNRS 6553 EcoBio | France | Environmental Science | Ecology | Most Reader's Article Award | |
| Prof | Monia | Renzi | University of Trieste | Italy | Environmental Science | Ecotoxicology | Most Liked Article Award | |
| Dr | Md Reazuddin | REPON | Kaunas University of Technology | Lithuania | Engineering | Materials Engineering | Most Reader's Article Award | |
| Assoc Prof Dr | Senthil | Rethinam | Ege University | Turkey | Environmental Science | Bioenergy | Best Researcher Award | |
| Dr | Edward | Reutzel | Penn State University, Applied Research Laboratory | United States | Materials Science | Additive Manufacturing, Fatigue | Best Researcher Award | bestpaperawards.com |
| Dr | Peverga | Rex | University of Agriculture Makurdi | Nigeria | Physics and Astronomy | Materials Science | Best Researcher Award | |
| Dr | Erfan | Rezvani Ghomi | National University of Singapore | Singapore | Engineering | Biomedical Engineering | Best Researcher Award | bestpaperawards.com |
| Dr | Muhammad Waheed | Riaz | Zhejiang A&F University | China | Agricultural and Biological Sciences | Crop Genetics and Breeding | Best Researcher Award | |
| Mr | Raihan | Riaz | Jagannath University | Bangladesh | Earth and Planetary Sciences | Geography and Environment | Best Researcher Award | bestpaperawards.com |
| Dr | Paula | Ribeiro Anunciação | Senckenberg Natural Historical Collection Dresden: Senckenberg Naturhistorische Sammlungen Dresden | Germany | Environmental Science | Ecology | Best Researcher Award | |
| Assoc. Prof. Dr. | Federica | Rinaldi | Sapienxa University of Rome | Italy | Neuroscience | Nanomedicine | Best Researcher Award | bestpaperawards.com |
| Prof | Irfan Ahmed | Rind | Sukkur IBA University | Pakistan | Psychology | Critical Thinking | Best Researcher Award | |
| Dr | Edwin Santiago | Rios Escalante | FEG/UNESP | Brazil | Energy | Power generation, Combustion and Biofuels | Best Researcher Award | |
| Dr | Nilza | Rivera Bonilla | University of Antofagasta | Chile | Economics, Econometrics and Finance | Mining | Best Researcher Award | |
| Prof | Alireza | Riyahi Bakhtiari | Tarbiat Modares University | Iran | Environmental Science | Marine Pollution and Coral Reefs | Most Reader's Article Award | |
| Mr | Negash | Roba | Haramaya University | Ethiopia | Earth and Planetary Sciences | GIS/RS | Best Researcher Award | |