| Olga | Moskalenko | Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Research Institute of Medical Problems of the North | Russia | Medicine and Dentistry | adolescents; internet addiction; problematic internet use; game addiction; social media addiction; Russia | worldtopscientists.com |
| Oluwatobi Adedamola | Ayilara-Adewale | Osun State University, Osogbo, | Nigeria | Computer Science | Artificial Intelligenc | worldtopscientists.com |
| Oluwatoyin Joseph | Gbadeyan | Durban University of Technology, South Africa | South Africa | Engineering | Materials | worldtopscientists.com |
| Oluwole | Famoriji | University of Johannesburg | South Africa | Engineering | Electrical and Electronics Engineering | worldtopscientists.com |
| Om | Kurmi | Coventry University | United Kingdom | Medicine and Dentistry | Community Medicine | worldtopscientists.com |
| Omid | Norouzisafsari | Anaergia Inc. | Canada | Chemical Engineering | Bioenergy, Renewable Natural Gas (RNG) | worldtopscientists.com |
| Osama | Sohaib | American University of Ras Al Khaimah | United Arab Emirates | Other | Information Systems | worldtopscientists.com |
| Osama | Alam | Zhejiang University | China | Environmental Science | Environmental Biophysics | worldtopscientists.com |
| Özlem | Sabuncu | Near East University | Turkey | Engineering | Communication Systems | worldtopscientists.com |
| Özlem | Sabuncu | Near East University | Turkey | Engineering | Electrical and Electrical Engineering | worldtopscientists.com |
| P. | Barman | Jaypee University of Information Technology | India | Materials Science | Nanotechnology, Ferrites, Sensors | worldtopscientists.com |
| P.P.A. Wasantha | Athukorala | University of Peradeniya | Sri Lanka | Social Sciences | Education | worldtopscientists.com |
| PALASH | MANDAL | CHARUSAT | India | Biochemistry, Genetics and Molecular Biology | Fatty liver disease and gut microbioata | |
| Panagiota | Koutsimani | University of Wstern Macedonia | Greece | Psychology | Neuropsychology | worldtopscientists.com |
| Panagiotis | Stavrakas | University of Patras | Greece | Medicine and Dentistry | Ophthalmology | worldtopscientists.com |
| Pankaj | Deka | Assam Agricultural University | India | Veterinary Science and Veterinary Medicine | Veterinary Microbiology | worldtopscientists.com |
| Parth | Purohit | Institute of Flight Guidance | Germany | Engineering | Turnaround Optimization of an aircraft | worldtopscientists.com |
| Parveen Fatemeh | Rupani | Cranfield University | United Kingdom | Energy | Environmental Biotechnology | worldtopscientists.com |
| pasupuleti | venkatachalam | GIET UNIVERSITY GUNUPUR | India | Engineering | mechanical engineering/manufacturing/drilling | worldtopscientists.com |
| Pathmalal | Manage | University of Sri Jayewardenepura | Sri Lanka | Environmental Science | Microbiology, Eco toxicology, Kidney Diseases, Conservation Biology and Biodiversity, Cyanobacteria, Zoology, Phytoplankton abundance and Water Quality in Fresh water, Marine Ecology and pollution, Xenobiotics | worldtopscientists.com |