| Assist Prof Dr | Ourania | Kotsiou | University of Thessaly | Greece | Nursing and Health Professions | Airways Disease and Psychopathology: Extensions and Clinical Implications | Best Researcher Award | youngscientistawards.com |
| Dr | Osvaldo | Contreras | Victor Chang Cardiac Research Institute | Australia | Biochemistry, Genetics and Molecular Biology | Heart Development and Stem Cells | Best Researcher Award | youngscientistawards.com |
| Dr | Orit | Jacobson Weiss | NIH | United States | Other | Radiochemistry/Molecular Imaging | Women Researcher Award | youngscientistawards.com |
| Dr | Orestis | Stavrakidis-Zachou | Hellenic Center for Marine Research | Greece | Agricultural and Biological Sciences | Aquaculture | Best Researcher Award | youngscientistawards.com |
| Prof | Omyma | Abd Allah | Faculty of Science, Sohag university | Egypt | Chemistry | Organic chemistry | Best Researcher Award | youngscientistawards.com |
| Dr | Omvir | Singh | IISc | India | Chemistry | Sustainable Biomass upgradation | Young Scientist Award | youngscientistawards.com |
| Dr | omkar | kulkarni | Dr. Vishwanath Karad MIT World Peace University | India | Engineering | Mechanical | Young Scientist Award | youngscientistawards.com |
| Mr | Omar | Hazaymeh | Al-Balqa Applied University / Al-Huson University College | Jordan | Arts and Humanities | Applied Linguistics | Best Researcher Award | youngscientistawards.com |
| Assoc. Prof. Dr | Omar | Alhaj | University of petra | Jordan | Veterinary Science and Veterinary Medicine | Camel milk | Best Researcher Award | youngscientistawards.com |
| Dr | Olivier | VOREUX | ONERA - The French Aerospace Lab | France | Materials Science | Mechanics of solid materials | Best Researcher Award | youngscientistawards.com |
| Dr | Olivier | Materne | Standard de Liege | Belgium | Health Professions | Sports Medicine | Best Research Award | youngscientistawards.com |
| Mr | Oliver Savio | Carlo | University of Salento | Italy | Environmental Science | Building and Environment | Young Scientist Award | youngscientistawards.com |
| Mr | OKBA | FERGANI | University Mohamed Khider Biskra / University Of Bouira | Algeria | Energy | Optimization | Young Scientist Award | youngscientistawards.com |
| Mr | Obinna | Onodugo | Baylor University | United States | Engineering | Electric Machines and Drives | Research Excellence Award | youngscientistawards.com |
| Dr | Nzalalemba Serge | Kubanza | University of the Witwatersrand | South Africa | Environmental Science | waste management, climate change | Best Researcher Award | youngscientistawards.com |
| Dr | Nyasha | Chiuraise | Seed Co Ltd | Zimbabwe | Agricultural and Biological Sciences | Crop protection | Best Researcher Award | youngscientistawards.com |
| Ms | Nüveyre | Canbolat | Gazi Üniversity | Turkey | Chemistry | Inorganic | Best Researcher Award | youngscientistawards.com |
| Ms | Nursyamimi | Ahmad Ghazali | National University of Malaysia (UKM) | Malaysia | Materials Science | Cellulose/ Polymer Science/ Sustainable Material | Best Researcher Award | youngscientistawards.com |
| Prof | Nurhan | Ecemis | Izmir Institute of technology | Turkey | Engineering | Civil Engineering/Geotechnical Earthquake Engineering | Best Researcher Award | youngscientistawards.com |
| Mr. | Nuno | Ferreira | Universidade de Trás-os-Montes e Alto Douro | Portugal | Engineering | Machine Learning | Young Scientist Award | youngscientistawards.com |