| Ms | GAMZE | OKUR | Niigata University | Japan | Agricultural and Biological Sciences | Food science | Young Scientist Award | |
| Dr | Damla | Okulu | Celal Bayar University | Turkey | Engineering | Thermodynamic | Young Scientist Award | View Profile |
| Dr | filiz | öktüren asri | Bati Akdeniz Agricultural Research Institute | Turkey | Agricultural and Biological Sciences | Soil Science and Plant Nutrition | Women Researcher Award | |
| Assoc. Prof. Dr | Filiz | Öktüren Asri | Bati Akdeniz Agricultural Research Institute | Turkey | Agricultural and Biological Sciences | Soil Science and Plant Nutrition | Women Researcher Award | View Profile |
| Mr | IKECHUKWU | OKORO | DAVID UMAHI FEDERAL UNIVERSITY OF HEALTH SCIENCES, UBURU, EBONYI STATE, NIGERIA | Nigeria | Biochemistry, Genetics and Molecular Biology | Medical Biochemistry | Best Researcher Award | |
| Mr | ISAAC | OKOLA | KCA UNIVERSITY | Kenya | Computer Science | ARTIFICIAL INTELLIGENCE/MACHINE LEARNING / EVOLUTIONARY ALGORITHMS | Best Researcher Award | |
| Dr | CHIZOBA | OKEKE | NNAMDI AZIKIWE UNIVERSITY | Nigeria | Health Professions | HAEMATOLOGY AND BLOOD TRANSFUSION SCIENCE | Best Researcher Award | |
| Dr | AUGUSTINE | OKEKE | University of Cumbria | United Kingdom | Business, Management and Accounting | Sustainability | Best Researcher Award | |
| Dr | KENNEDY CHIENDU | OKAFOR | Federal University of Technology Owerri | Nigeria | Engineering | Computer Engineering /Networked Robotics/ Cyber-Physical Systems | Best Researcher Award | |
| Mr | Obed | Ojonta | University of Nigeria | Nigeria | Economics, Econometrics and Finance | Development Economics | Best Scholar Award | |
| Dr | Oluwafemi Adeleke | Ojo | Landmark University | Nigeria | Biochemistry, Genetics and Molecular Biology | Computational Biology | Best Researcher Award | |
| Prof. Dr | F. Patricio | Ojeda | Pont. Universidad Católica de Chile | Chile | Agricultural and Biological Sciences | Marine ecology | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | hyunchul | oh | Ulsan National Institute of Science Technology | South Korea | Chemistry | Inorganic Chemistry / Physical Chemistry | Best Researcher Award | View Profile |
| Dr | Akinwale | Ogunrinde | Landmark University, Omu Aran, Kwara State | Nigeria | Earth and Planetary Sciences | Hydrology | Best Researcher Award | |
| Dr | Olugbenga | Ogunlabi | Olabisi Onabanjo University | Nigeria | Biochemistry, Genetics and Molecular Biology | Metabolism and cellular system | Best Researcher Award | |
| Dr | ARONTHUNG S | ODYUO | Kohima Science College, Jotsoma | India | Mathematics | Graph Theory | Young Scientist Award | View Profile |
| Dr | Mohammad Hossein | Oboudi | Shiraz University | Iran | Energy | Power system | Best Researcher Award | |
| Dr | Collins | Oboh | University of Lagos | Nigeria | Business, Management and Accounting | Accounting Ethics and Fraud Analysis | Best Researcher Award | View Profile |
| Dr | MIGUEL | OBAID | Universidad de Chile/Hospital del Salvador | Chile | Health Professions | Departamento de Cirugía Plástica y Reconstructiva Hospital del Salvador | Excellence in Innovation | View Profile |
| Ms | RITHA | NYIRANDAYISABYE | University of chinese academy of sciences | Rwanda | Engineering | civil engineering and transportation engineering | Young Scientist Award | View Profile |