| Dr | Alexis | Oliva | Universidad de La Laguna | Spain | Pharmacology, Toxicology and Pharmaceutical Science | Tecnología Farmacéutica | Best Researcher Award | |
| Prof | Wieslaw | Oleszek | Institute of Soil Science and Plant Cultivation, State Research Institute | Poland | Agricultural and Biological Sciences | Phytochemistry, plant protection | Best Researcher Award | View Profile |
| Dr | Temitayo | Oladimeji | Covenant University | Nigeria | Engineering | Environmental | Best Researcher Award | View Profile |
| Dr | Kohei | Okuyama | UT MD Anderson Cancer Center | United States | Medicine and Dentistry | Oral Cancer and Saliva Metabolism | Best Review Article Award | View Profile |
| Dr | Karinate | Okiy | Federal University of Petroleum Resources | Nigeria | Chemical Engineering | Renewable/Sustainable Energy | Research Excellence Award | View Profile |
| Dr | Chinedu | Okeke | University of Abuja | Nigeria | Health Professions | Clinical research | Best Researcher Award | View Profile |
| Prof Dr | Hideyuki | Okano | Keio University School of Medicine | Japan | Neuroscience | Neurological Disease Modeling/Neurodegenerative Diseases | Best Paper Award | |
| Prof | Ayodeji | Ogunjuyigbe | University of Ibadan, Ibadan | Nigeria | Energy | Waste to Energy | Most Cited Article Award | |
| Assoc. Prof. Dr | Festus | Oderanti | Festus Oderanti, Associate Professor of Computer Science, Liberty University, Lynchburg, Virginia. | United States | Business, Management and Accounting | eHealth Innovations, Telehealth, Telemedicine | Most Cited Article Award | |
| Assoc. Prof. Dr | Sezen | Ocak Yetişgin | Ondokuz Mayis University | Turkey | Agricultural and Biological Sciences | Small ruminant Breeding | Research Excellence Award | View Profile |
| Ms | Altynay | Nurmakova | Science center of obstetrics, gynecology and perinatology | Kazakhstan | Health Professions | Biomedicine, Obstetrics, Genetics | Best Researcher Award | View Profile |
| Dr | Rocío | Núñez Calonge | Grupo UR Internacional | Spain | Health Professions | Reproducción humana | Best Research Article Award | View Profile |
| Mr | Abdullah | Numani | Capital University of Science and Technology Islamabad | Pakistan | Engineering | Electrical | Most Cited Article Award | View Profile |
| Dr | Azin | Nowrouzi | TUMS | Iran | Materials Science | Biochemistry, Pharmacology and Toxicology | Best Researcher Award | View Profile |
| Dr | Darya | Novopashina | Institute of Chemical Biology and Fundamental Medicine SB RAS | Russia | Biochemistry, Genetics and Molecular Biology | Gene editing using CRISPR-Cas system | Research Excellence Award | View Profile |
| Mr | Khalid | Nouneh | Université Ibn Tofail Kenitra | Morocco | Materials Science | Matériaux pour l'énergie et l'environnement | Most Cited Article Award | |
| Mr | Eric | Norman | Universidad de Cantabria | Spain | Chemical Engineering | Optimizacion de cadenas de suministro | Industry Impact Award | View Profile |
| Dr | Izumi | Noguchi | Research Institute of Energy, Environment and Geology, Hokkado Research Oganization | Japan | Environmental Science | Precipitation chemistry | Best Researcher Award | View Profile |
| Assist. Prof. Dr | Md. Eanamul | Nizam | Assistant Professor, Department of Textile Engineering | Bangladesh | Chemistry | Textile Chemistry | Research Excellence Award | View Profile |
| Assoc. Prof. Dr | Derya | Nizam | İzmir University of Economics | Turkey | Social Sciences | Rural Sociology | Best Researcher Award | |