| 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 | |
| Dr | oluwasanmi | Olabode | Covenant University | Nigeria | Engineering | Petroleum Engineering/Reservoir Engineering/Enhanced oil recovery and Optimization | Best Researcher Award | |
| Assist Prof Dr | OLUWAGBEMIGA PAUL | AGBOOLA | ISTANBUL GELISIM UNIVERSITY, ISTANBUL. TURKEY | Turkey | Environmental Science | Landscape Architecture, Urban Sustainability | Best Researcher Award | |
| Dr | Olusegun | Idowu | Kyoto University | United Kingdom | Agricultural and Biological Sciences | Crop Science | Best Researcher Award | |
| Prof. Dr | OLIANA | CARNEVALI | Polytechnic University of Marche | Italy | Biochemistry, Genetics and Molecular Biology | Environmental Toxicology | Best Researcher Award | bestpaperawards.com |
| Dr | Olga | Dymshits | S.I. Vavilov State Optical Institute | Russia | Materials Science | optical materials | Best Researcher Award | |
| Dr | Olawale | Olayide | University of Ibadan | Nigeria | Agricultural and Biological Sciences | Agri-preneurshup and sustainable development | Most Reader's Article Award | |
| Assist Prof Dr | Okan | Icten | Hacettepe University | Turkey | Chemistry | Inorganic Chemistry | Best Researcher Award | |
| Mr | OJUDOO | AJAMA | Inha University | South Korea | Earth and Planetary Sciences | Geophysics | Best Researcher Award | |
| Prof. Dr | Nyan-Hwa | Tai | National Tsing-Hua University | Taiwan | Materials Science | Carbon nanotubes and graphene | Best Researcher Award | bestpaperawards.com |
| Dr | Nusrat | Shafiq | Government College Women University Faisalabad | Pakistan | Chemistry | Pharmaceutical Chemistry focusing drug designing and development | Best Researcher Award | |
| Ms | Nusrat | Jahan | University of Barishal | Bangladesh | Social Sciences | Political Science | Young Researcher Award | bestpaperawards.com |
| Assist Prof Dr | Nurul Sakinah | Engliman | International Islamic University Malaysia | Malaysia | Engineering | Renewable Energy | Best Researcher Award | |
| Assoc Prof Dr | Nurul | Ainirazali | Universiti Malaysia Pahang | Malaysia | Chemical Engineering | Catalysis, Renewable Energy, Waste Water Treatment | Best Researcher Award | |