| Dr | Olivier | VOREUX | ONERA - The French Aerospace Lab | France | Materials Science | Mechanics of solid materials | Best Researcher Award | youngscientistawards.com |
| Mr | Oliver Savio | Carlo | University of Salento | Italy | Environmental Science | Building and Environment | Young Scientist Award | youngscientistawards.com |
| Prof Dr | Olga | Fink | EPFL | Switzerland | Engineering | Physics informed machine learning | Best Researcher Award | |
| Dr | Oleksandr | Maksymenko | Poltava State Medical University | Ukraine | Medicine and Dentistry | Morhology, Anatomy, Histology, Pediatric surgery | Best Researcher Award | |
| Mr | OKBA | FERGANI | University Mohamed Khider Biskra / University Of Bouira | Algeria | Energy | Optimization | Young Scientist Award | youngscientistawards.com |
| Dr | OINDRILA | NATH | IIT KHARAGPUR | India | Earth and Planetary Sciences | ATMOSPHERIC SCIENCE | Women Researcher Award | |
| Assist Prof Dr | Oğuz Kağan | KÖKSAL | Adıyaman University | Turkey | Physics and Astronomy | Atomic and Molecular Physics | Best Researcher Award | |
| Dr | Ofem | Eteng | Federal University of Agriculture Abeokuta. | Nigeria | Biochemistry, Genetics and Molecular Biology | Biochemical Toxicology and Molecular Toxicology | Best Researcher Award | |
| Mr | Obinna | Onodugo | Baylor University | United States | Engineering | Electric Machines and Drives | Research Excellence Award | youngscientistawards.com |
| Mr | Obed | Ojonta | University of Nigeria | Nigeria | Economics, Econometrics and Finance | Development Economics | Best Scholar Award | |
| 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 | Nuttha | Ariyasajjamongol | Petroleum and Petrochemical College, Chulalongkorn University | Thailand | Chemistry | Conductive polymer, Biosensor, Electrochemical, Immunosensor | Young Scientist Award | |
| Assist Prof Dr | NURTEN | ARSLAN ISIK | Erzincan university | Turkey | Nursing and Health Professions | Department of Mental Health and Psychiatric Nursing | Best Researcher Award | |
| 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 |
| Prof Dr | Nurettin | ÖZGEN | Ankara University | Turkey | Social Sciences | Critical Human Geography | Excellence in Research | |
| Dr | NUR FARHAYU | ARIFFIN | UNIVERSITI MALAYSIA PAHANG | Malaysia | Engineering | CIVL ENGINEERING/ADVANCE MATERIAL, GREEN MATERIAL, CONSTRUCTION PROJECT MANAGEMENT | Best Researcher Award | |
| Dr | Nur Athirah Diyana | Mohammad Yusof | Universiti Teknologi Malaysia | Malaysia | Other | Occupational Safety and Health | Best Researcher Award | |