| Nishant | Kumar | Department of Mathematics, IIT Patna. | India | Mathematics | Algebra | worldtopscientists.com |
| Nisrin | Alnaim | King Faisal University | Saudi Arabia | Physics and Astronomy | Applied physics | worldtopscientists.com |
| Noemí | Cárdenas-Rodríguez | Instituto Nacional de Pediatria | Mexico | Neuroscience | Biochemistry and Molecular Biology | worldtopscientists.com |
| Nora | Alafif | KSU | Saudi Arabia | Medicine and Dentistry | Public health | worldtopscientists.com |
| Nora | Ramos Vallecillo | Universidad de Zaragoza | Spain | Arts and Humanities | Art Expression Didactics | worldtopscientists.com |
| Norma Angélica | Bolívar Jacobo | Facultad de Zootecnia y Ecologia de la Universidad Autónoma de Chihuahua | Mexico | Other | Biotecnología de alimentos y bebidas | worldtopscientists.com |
| Nouman | Ijaz | Punjab Colleges | Pakistan | Mathematics | Fluid Mechanics | |
| Nour El-Houda | M’sakni | taif university | Saudi Arabia | Chemistry | biopolymers | worldtopscientists.com |
| Nuno | Capela | USF Serpa Pinto - ULS Santo António | Portugal | Medicine and Dentistry | Medicina Geral e Familiar | worldtopscientists.com |
| Nur Adibah | Mohidem | Universiti Sains Islam Malaysia | Malaysia | Environmental Science | Environmental health | worldtopscientists.com |
| NUR HIDAYAH | MAT YASIN | Universiti Malaysia Pahang Al-Sultan Abdullah | Malaysia | Engineering | Chemical Engineering | |
| Nuri | Lee | yonsei university | South Korea | Veterinary Science and Veterinary Medicine | veterinary pathology and vterinary anatomy | worldtopscientists.com |
| NURUL MUSFIRAH | MAZLAN | SCHOOL OF AEROSPACE ENGINEERING, UNIVERSITI SAINS MALAYSIA | Malaysia | Engineering | COMBUSTION | worldtopscientists.com |
| Octavian D. | PAVEL | University of Bucharest | Romania | Chemistry | Catalysis | worldtopscientists.com |
| Odinakachukwu | Ehie | University of California, San Francisco | United States | Health Professions | Perioperative Medicine | worldtopscientists.com |
| Oforo Didas | Kimaro | Institute of Soil Science and Site Ecology | Germany | Other | Landscape ecology and Nature conservation | worldtopscientists.com |
| Oksana | Mandrikova | Federal State Budget Research Institution Institute of Cosmophysical Research and Radio Wave Propagation, Far Eastern Branch of the Russian Academy of Sciences (IKIR FEB RAS) | Russia | Mathematics | intelligent techniques for data analysis, wavelets, neural networks | worldtopscientists.com |
| Oladele | Afolalu | Durban University of Technology | South Africa | Engineering | Electronic and Computer Engineering | worldtopscientists.com |
| Olawale | Ola | University of Ibadan | Nigeria | Veterinary Science and Veterinary Medicine | Veterinary Pathology | worldtopscientists.com |
| Olga | Shcherbina | Tananaev Institute of Chemistry - Subdivision of the Federal Research Centre «Kola Science Centre of the Russian Academy of Sciences» Science Centre of Russian Academy of Sciences | Russia | Materials Science | Luminescent ceramics | worldtopscientists.com |