| Dr | Rafael | Herschberg | IMN | France | Best Researcher Award | popularengineer.org |
| Dr | Rahul | Mittal | University of Miami | United States | Best Researcher Award | popularengineer.org |
| Dr | Rakesh | Parida | Sungkyunkwan University | South Korea | Best Researcher Award | popularengineer.org |
| Assoc. Prof. Dr | Raouf | hassan | Imam Mohammad Ibn Saud Islamic University | Saudi Arabia | Best Academic Researcher Award | popularengineer.org |
| Dr | Reham | Hamdy | National Institute of Standards | Egypt | Best Researcher Award | popularengineer.org |
| Dr | Reza | Chamani | tarbiat modares university | Iran | Best Researcher Award | popularengineer.org |
| Dr | Rezan | Ashayeri Ahmadabad | University of Alberta | Canada | Best Researcher Award | popularengineer.org |
| Assoc. Prof. Dr | riham | elgogary | Faculty of pharmacy, ain shams university | Egypt | Best Researcher Award | popularengineer.org |
| Dr | Riya | Patel | School of pharmacy | India | Young Scientist Award | popularengineer.org |
| Dr | Rogério | Cury Pires | Universidade de São Paulo | Brazil | Best Researcher Award | popularengineer.org |
| Mr | Roosevelt | Desronvilles | Orthobiologics Research Initiative Inc. | United States | Best Researcher Award | popularengineer.org |
| Assist. Prof. Dr | RUMA | DAS | Haldia Institute of Technology | India | Best Researcher Award | popularengineer.org |
| Dr | Rupali | Goyal | Amity University, Punjab | India | Best Researcher Award | popularengineer.org |
| Assoc. Prof. Dr | Saad | Alqithami | ALBAHA UNIVERSITY | Saudi Arabia | Sustainable Engineering Award | popularengineer.org |
| Dr | Sabrine | Ben Amor | Higher Institute of Applied Science and Technology of Sousse | Tunisia | Women Researcher Award | popularengineer.org |
| Assist. Prof. Dr | Sahar | Abdollahi Baghban | Institute for Color Science and Technology/Department of Environmental Research | Iran | Best Researcher Award | popularengineer.org |
| Dr | Sahar | Zinatloo-Ajabshir | University of Bonab | Iran | Best Researcher Award | popularengineer.org |
| Dr | Saibo | She | University of Manchester | United Kingdom | Best Researcher Award | popularengineer.org |
| Dr | SALAH UD | DIN | Southern University of Science and Technology, Shenzhen China | China | Best Researcher Award | popularengineer.org |
| Prof | Salvador | Gonzalez | Alcalá University | Spain | Best Researcher Award | popularengineer.org |