| Mr. | Nour-Eddine | Menad | BRGM | France | Design of Materials and Components | Recyclage | Best Researcher Award | View Profile |
| Dr. | Ntalane Sello | Seroka | CSIR | South Africa | Properties and Performance | Material Science | Best Researcher Award | View Profile |
| Dr | Nur Amin | Hoque | Indian Association for the Cultivation of Science | India | Polymer-Matrix composites | Piezoelectric thin film | Young Scientist Award | |
| Dr. | Ochuko | Orakpoghenor | Ahmadu Bello University Zaria Nigeria | Nigeria | Other | Veterinary/ animal production | Best Researcher Award | |
| Dr. | OLADIMEJI | AYAMOLOWO | CENTRAL UNIVERSITY OF TECHNOLOGY, FREESTATE | South Africa | Modeling | POWER SYSTEM | Best Researcher Award | |
| Dr. | Olagunju | Adetuwo | Olusegun Agagu University of Science and Technology Okitipupa, Ondo State | Nigeria | Polymer-Matrix composites | Food and Industrial Microbiology | Excellence in Research Award | View Profile |
| Prof. | Olga | Naka | Aristotle University of Thessaloniki | Greece | CAD/CAM | Prosthodontics | Best Researcher Award | View Profile |
| Mr. | Olufisayo Emmanuel | Ojo | atmosfair Climate & Sustainability Limited | Nigeria | Environmental effects | Climate Protection and Sustainability | Best Researcher Award | View Profile |
| Dr | Olumayowa | ORIYOMI | First Technical University, Ibadan | Nigeria | | Toxicology | Best Researcher Award | |
| Assist Prof Dr | Olumide | Ayodele | University of Texas at San Antonio | United States | | Nanocomposite catalysis | Top Researcher Award | |
| Dr | Oluwagbenga | Adesina | University of Pretoria | South Africa | | Materials Science | Best Researcher Award | |
| Dr | Oluwatoyin Joseph | Gbadeyan | University of KwaZulu-Natal | South Africa | | Composite, biocomposite, nanocomposite and nanotechnology | Best Researcher Award | |
| Mr | Oluwatumininu | Ayo-Ojo | University of KwaZulu-Natal | South Africa | Polymer-Matrix composites | Polymers | Best Researcher Award | View Profile |
| Mr | OMENDER | SINGH | INDIAN INSTITUTE OF TECHNOLOGY | India | Design of Materials and Components | Honeycomb structures using 3D weaving technique | Best Researcher Award | View Profile |
| Dr. | Omkulthom | Al kamaly | Princess Nourah University | Saudi Arabia | Analysis | Pharmaceutical analysis | Best Researcher Award | View Profile |
| Prof. Dr. | önder | pekcan | kadir has university | Turkey | Polymer-Matrix composites | soft matter | Best Researcher Award | View Profile |
| Mr | Oorappan | G M | Banari Amman Institute of Technology | India | Other | Power Electronics and Drives | Best Researcher Award | |
| Dr. | Orkhan | Gulahmadov | Baku State University | Azerbaijan | Properties and Performance | Self-powered sensor | Best Researcher Award | View Profile |
| Assist Prof Dr | Osamah M. | Al-Kerttani | Mustansiriyah University | Iraq | | using of blue waste glass as an aggregate | Best Researcher Award | |
| Dr. | Oumaima | JAMAL EDDINE | Faculty of Sciences Ben M'sick | Morocco | Reinforcement Materials | Fiberglass/Elaboration and characterization of phosphate glass fiber/Materials sciences | Best Researcher Award | |