| Basile | Njei | Yale University | United States | Health Professions | Gastroenterology and Hepatology | worldtopscientists.com |
| Katayoon | Nofouzi | University of Tabriz | Iran | Veterinary Science and Veterinary Medicine | Microbiology | worldtopscientists.com |
| Byung-Il | Noh | Auburn University | United States | Engineering | Nano-Optics and Light-Matter Interactions | worldtopscientists.com |
| Omid | Norouzisafsari | Anaergia Inc. | Canada | Chemical Engineering | Bioenergy, Renewable Natural Gas (RNG) | worldtopscientists.com |
| Carol | North | The University of Texas Southwestern Medical Center | United States | Health Professions | Psychiatry/Disaster mental health | worldtopscientists.com |
| Hashem | Nowruzi | Babol Noshirvani University of Technology | Iran | Engineering | Marine Engineering | worldtopscientists.com |
| Demokrat | Nuha | University for Business and Technology | Albania | Chemistry | Organic Chemistry | worldtopscientists.com |
| Zhadyrassyn | Nurbekova | Eurasian National university | Kazakhstan | Agricultural and Biological Sciences | Plant physiology | worldtopscientists.com |
| Gulzat | Nuroldayeva | Nazarbayev University | Kazakhstan | Chemistry | Electrochromic devices | worldtopscientists.com |
| Simon | Nyarko | Kwame Nkrumah University of Science and Technology | Ghana | Pharmacology, Toxicology and Pharmaceutical Science | Pharmaceutics | worldtopscientists.com |
| EUNICE | OBA | School of Veterinary Medicine and Animal Science, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil | Brazil | Veterinary Science and Veterinary Medicine | REPRODUÇÃO ANIMAL | |
| KeChrist | Obileke | University of Fort Hare | South Africa | Energy | Chemical Engineering/Physical Energy | worldtopscientists.com |
| Ammar | Odeh | Princess Sumaya University for Technology | Jordan | Computer Science | CyberSecurity | worldtopscientists.com |
| William | Odiete | Delta State University, Abraka | Nigeria | Engineering | Environmental Engineering & Petroleum Engineering | worldtopscientists.com |
| Deinsam | Ogan | University of Wolverhampton | United Kingdom | Earth and Planetary Sciences | Sustainable Construction, Mining and Environment | worldtopscientists.com |
| maria livia | ognean | Lucian Blaga University Sibiu | Romania | Biochemistry, Genetics and Molecular Biology | Genetics | worldtopscientists.com |
| Gbekeloluwa | Oguntimein | Morgan State University | United States | Environmental Science | Wastewater | worldtopscientists.com |
| TOSHIFUMI | OHKUSA | juntendo | Japan | Immunology and Microbiology | Medicine | worldtopscientists.com |
| THERESA UGONWA | OKAFOR | CHUKWUEMEKA ODUMEGWU OJUKWU UNIVERSITY IGBARIAM CAMPUS NIGERIA | Nigeria | Other | PHYSICS EDUCATION | worldtopscientists.com |
| Olawale | Ola | University of Ibadan | Nigeria | Veterinary Science and Veterinary Medicine | Veterinary Pathology | worldtopscientists.com |