| Dr | Oumaima | Achour | Université de Sousse | Tunisia | Computer Science | social influence analysis | Best Review Article Award | citationawards.com |
| Dr | Oscar Alberto | Rojas Castillo | University of Copenhagen | Denmark | Environmental Science | Freshwater biology | Most Reader's Article Award | citationawards.com |
| Ms | Orikeda | Trashi | University of Texas at Dallas | United States | Chemistry | Materials | Best Researcher Award | citationawards.com |
| Dr | Omnia | Ahmed | Nanotoxicology Project lab | Japan | Medicine and Dentistry | Nano-materials Toxicology | Best Researcher Award | citationawards.com |
| Mr | Omar | Hussein | College of Petroleum Processes Engineering, Tikrit University | Iraq | Engineering | Nanofluid/Solar Energy/Nanoparticles Synthesis/Charachterizations /Heat transfer(CFD) | Best Researcher Award | |
| Dr | Omar | Aljasim | Dilovsi State Hospital | Turkey | Medicine and Dentistry | orthopaedic andtraumatology/ hand surgery | Research Excellence Award | citationawards.com |
| Dr | Oludare | Abiodun | University of Abuja | Nigeria | Computer Science | Cybersecurity and Digital Forensic | Most Cited Article Award | |
| Dr | Oludare | Abiodun | University of Abuja | Nigeria | Computer Science | Cybersecurity and Digital Forensic | Best Review Article Award | |
| Prof. Dr | OLEG | SERGIYENKO | INSTITUTO DE INGENIERÍA DE LA UNIVERSIDAD AUTÓNOMA DE BAJA CALIFORNIA | Mexico | Engineering | ELECTRONICA | Most Cited Article Award | |
| Dr | Ola | Farrag | Future University in Egypt | Egypt | Chemistry | Analytical Chemistry | Best Researcher Award | citationawards.com |
| Prof. Dr | Oguzhan | Yilmaz | Gazi University | Turkey | Engineering | Additive Manufacturing | Best Researcher Award | citationawards.com |
| Dr | Odey | Alshboul | THE HASHEMITE UNIVERSITY | Jordan | Engineering | Civil Engineering | Research Excellence Award | citationawards.com |
| Ms | Oanh Thi-Kieu | Ho | The University of Melbourne | Australia | Engineering | Construction Management | Best Researcher Award | |
| Dr | Nusi | Drljevic | Kenza | Germany | Business, Management and Accounting | Business design, experience design, software engineering | Most Cited Article Award | |
| Assist. Prof. Dr | Nursena | Baygin | Kafkas university | Turkey | Computer Science | Blockhain | Best Researcher Award | |
| Dr | Nurdiana | Samsulrizal | Universiti Teknologi MARA | Malaysia | Pharmacology, Toxicology and Pharmaceutical Science | Animal Physiology | Best Researcher Award | |
| Dr | Nur | Hassan | Central Queensland University | Australia | Engineering | Renewable Energy | Best Researcher Award | |
| Dr | Nunzia | Gallo | Università del Salento | Italy | Materials Science | Biomateriali | Young Scientist Award | citationawards.com |
| Dr | Noushina | Iqbal | Jamia Hamdard | India | Agricultural and Biological Sciences | plant stress physiology | Research Excellence Award | citationawards.com |
| Dr | Norman | Shaw | Toronto Metropolitan University | Canada | Business, Management and Accounting | Online shopping | Best Researcher Award | |