| Assoc. Prof. Dr | Abolfazl | Olyaei | Imam Khomeini International University Faculty of Science | Iran | Best Researcher Award | View Profile |
| Dr | Olakunle | Oluwaleye | Tshwane University of Technology | South Africa | Best Researcher Award | View Profile |
| Prof. Dr | João Gomes | Oliveira Neto | UFMA | Brazil | Best Researcher Award | View Profile |
| Dr | Oluwaseyi Samson | Ojo | Abiola Ajimobi Technical University, Ibadan | Nigeria | Best Researcher Award | View Profile |
| Prof. Dr | Maria | Ochsenkuehn-Petropoulou | National Technical University of Athens | Greece | Research Excellence Award | View Profile |
| Dr | Judith | Nzoughet Kouassi | Université Paris Cité, Faculté de Santé, UFR de Pharmacie | France | Best Researcher Award | View Profile |
| Dr | Iheke Michael | Nwachukwu | National Open University of Nigeria | Nigeria | Green Chemistry Award | View Profile |
| Assist. Prof. Dr | Alicja | Nowaczyk | NCU | Poland | Innovative Research Award | View Profile |
| Prof | Alena | Novoselova | Institute of High-Temperature Electrochemistry of the Ural Branch of the Russian Academy of Sciences (IHTE UB RAS) | Russia | Best Researcher Award | View Profile |
| Prof | Jungpil | Noh | Gyeongsang National University | South Korea | Best Researcher Award | View Profile |
| Prof. Dr | Tianchao | Niu | Beihang University | China | Best Researcher Award | View Profile |
| Prof | Hewen | Niu | Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences | China | Best Researcher Award | View Profile |
| Dr | Nada | Nikolić | University of Niš, Faculty of Technology | Serbia | Best Researcher Award | View Profile |
| Dr | Siphelo | Ngqoloda | Mintek | South Africa | Best Researcher Award | View Profile |
| Dr | Cyrille | Ngoufack Tagousop | University of Ngaoundere | Cameroon | Young Researcher Award | View Profile |
| Dr | Aravind | Nesaragi | Dayananda Sagar College of Engineering, Bangalore | India | Young Scientist Award | View Profile |
| Prof. Dr | Hendry Y. | Nanlohy | Jayapura University of Science and Technology | Indonesia | Best Researcher Award | View Profile |
| Mr | Min-Soo | Nam | Korea Institute of Ceramic Engineering & Technology & Korea University | South Korea | Research Excellence Award | View Profile |
| Mr | Bassam | Najri | Eskisehir Osmangazi University, Turkey | Turkey | Best Researcher Award | View Profile |
| Prof | dalila | naimi | national higher school of biotechnologie constantine | Algeria | Best Researcher Award | View Profile |