| Dr | Pachaiappan | Raman | SRM Institute of Science and Technology | India | Agricultural and Biological Sciences | Best Researcher Award | |
| Assoc. Prof. Dr. | Özgür | Batum | Health science university İzmir city hospital | Turkey | Medicine and Health Sciences | Innovative Research Award | View Profile |
| Assist. Prof. Dr. | Ozcan | Aygun | Mugla Sitki Kocman University, Fethiye Faculty of Health Science, Nursing Department | Turkey | Nursing and Health Professions | Best Researcher Award | View Profile |
| Mrs. | Oumaima | Ghandour | uh1 | Spain | Computer Science | Research Excellence Award | View Profile |
| Prof. | Ouiem | Bchir | Computer science department, King Saud University | Saudi Arabia | Computer Science | Research Excellence Award | View Profile |
| Assoc. Prof. Dr. | Orchidea Maria | Lecian | Sapienza Univeristy of Rome | Italy | Astronomy and Astrophysics | Innovative Research Award | View Profile |
| OP | CHAUHAN | DRDO-DFRL | India | Agricultural and Biological Sciences | Outstanding Scientist Award | |
| Assist. Prof. Dr. | Omar | Albzour | An-Najah National University | Palestine, State of | Social Sciences | Best Researcher Award | |
| Mr. | Omar | Alqaisi | Alzaytoonah university | Jordan | Nursing and Health Professions | Best Research Article Award | View Profile |
| Dr. | Omar | Najjar | ENS Paris-Saclay | France | Engineering | Best Researcher Award | View Profile |
| Ms. | Oluwaseyi | Ayeni | The University of Buckingham | United Kingdom | Social Sciences | Research Excellence Distinction Award | View Profile |
| Mr. | Oluwasegun | Oladapo | Monash University Malaysia | Malaysia | Energy and Sustainability | Research Excellence Award | View Profile |
| Dr. | Oliver. O | Apeh | University of Johannesburg | South Africa | Energy and Sustainability | Excellence in Innovation | View Profile |
| Ms. | Olga | Yazovtseva | National Research Mordovia State University | Russia | Mathematics | Research Excellence Award | View Profile |
| Mr. | Oleg | Maschev | Federal State Budgetary Scientific Institution "Federal Scientific Agroengineering Center VIM | Russia | Engineering | Innovative Research Award | View Profile |
| Dr. | Obvious | Katsaura | University of the Witwatersrand | South Africa | Social Sciences | Research Excellence Award | View Profile |
| Mr. | Obsa | Wakuma | Bule Hora University | Ethiopia | Arts and Humanities | Best Researcher Award | View Profile |
| Dr | Nurul Huda | Baharuddin | Universiti Teknologi Malaysia | Malaysia | Engineering | Best Researcher Award | |
| Dr. | Nuru | Noor | University of Cambridge | United Kingdom | Health Professions | Best Researcher Award | View Profile |
| Dr. | Nuria | Bermejo | Hospital San Pedro de Alcántara | Spain | Medicine and Health Sciences | Breakthrough Research Award | View Profile |