| Prof. Dr | P Lalitha | Surya Kumari | Koneru Lakshmaiah Education Foundation | India | Computer Science | Information Security and Blockchain Technology | Best Researcher Award | bestpaperawards.com |
| Mr | OWADE | JACKOB | MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHOLOGY | Kenya | Mathematics | Applied Mathematics - Biomathematics | Best Researcher Award | |
| Dr | Ouanassa | GUELLATI | Université Mohamed Cherif Messaadia de Souk-Ahras / Laboratoire LEREC, Université Badji Mokhtar de Annaba | Algeria | Materials Science | Nanotechnologie - Nanomatériaux - Stockage d'énergie - Biosensing - Traitement des eaux usées | Best Researcher Award | |
| Dr | Othmane | AMADINE | Fondation MAScIR | Morocco | Chemistry | Materials & nanomaterials, Catalyst and water traitement | Most Cited Article Award | |
| Prof | osman | ata | atatürk üniversitesi | Turkey | Chemical Engineering | membrane technology | Best Researcher Award | |
| Prof | Osama | ALY | National research center | Egypt | Chemical Engineering | Textiles | Best Paper Award | |
| Assoc Prof Dr | Osama | Darwesh | national research centre | Egypt | Agricultural and Biological Sciences | Envoronmental microbiology and nanotechnology | Best Researcher Award | |
| Prof Dr | Orlando | Auciello | University of Texas at Dallas | United States | Materials Science | microelectronic device appllications | Most Reader's Article Award | |
| Dr | Omotosho | Ademola | Central Universit of Technology South Africa | South Africa | Business, Management and Accounting | Entrepreneurship | Best Researcher Award | |
| Dr | Omid | Pourali | K. N. Toosi University of Technology | Iran | Energy | Biorefinery | Most Reader's Article Award | |
| Dr | Omid | Alasti | Gorgan University of Agricultural Sciences and Natural Resources (GUASNR) | Australia | Agricultural and Biological Sciences | Crop Science | Best Researcher Award | |
| Assoc. Prof. Dr | Ömer Faruk | Görçün | Kadir Has University | Turkey | Decision Sciences | Decision Making, fuzzy logic, optimization | Best Paper Award | bestpaperawards.com |
| Mr | Omar | Assowe | Observatoire Regionale de Recherche sur l'environnement et le Climat (ORREC)/Centre of Study and Research of Djibouti | Djibouti | Environmental Science | Climat | Most Reader's Article Award | |
| Prof Dr | Omar | Bajjou.omar@gmail.com | Sultan moulay slimane university Faculty of sciences and Technics Beni Mellal | Morocco | Materials Science | Matériaux | Best Researcher Award | |
| Dr | Omar | Otoom | Hychem | Australia | Engineering | Structural Engineering | Best Researcher Award | bestpaperawards.com |
| Dr | Omar | Al-Yahia | Paul Scherrer Institut | Switzerland | Energy | Reactor thermal hydraulics | Best Researcher Award | bestpaperawards.com |
| Dr | Omar | Soufi | Mohammed V University of Rabat Mohammadia School of Engineering | Morocco | Engineering | Intelligence artificielle, controle d'attitude, capteur d'étoiles | Best Researcher Award | bestpaperawards.com |
| Dr | Omar | Bani-Khalaf | Rauf Denktas university | Turkey | Economics, Econometrics and Finance | Finance | Best Paper Award | |
| Dr | Om Prakash | Singh | University of Plymouth | United Kingdom | Engineering | Biomedical Engineering | Best Researcher Award | bestpaperawards.com |
| Prof. Dr | Om Prakash | Pandey | Thapar Institute of Engineering & Technology | India | Materials Science | Electrochemical energy storage and conversion | Most Reader's Article Award | |