| Dr | Nikita | Martyushev | Tomsk Polytechnic University | Russia | Process Electrical Resistance Welding Electronic Packaging and Reliability Nano | Electric contact welding of rails | Best Researcher Award |
| Dr | Nikola | Biliskov | Rudjer Boskovic Institute / McGill University | Croatia | Microstructure-property relationships | Solid-state chemistry | Best Researcher Award |
| Dr | Nirmalya | Chatterjee | IIT Bombay | India | Other | Geology | Best Researcher Award |
| Ms | Nithya | G | Nitte Meenakshi Institute of Technology | India | Residual Stress | MEMS | Excellence in Innovation |
| Dr | Nitin | Saini | University of Alberta | Canada | Welding Processes | Weldability of power plant steels | Best Researcher Award |
| Assist Prof Dr | Niwat | Mookam | Rajamangala University of Technology Rattanakosin | Thailand | Microstructure-property relationships | Soldering | Best Researcher Award |
| Assoc Prof Dr | Norzita | Ngadi | University of Technology Malaysia | Malaysia | Other | Green materials and Wastewater Treatment | Best Researcher Award |
| Mrs | Nowrin Akter | Surovi | Singapore University of Technology and Design (SUTD) | Singapore | Other | Process map generation | Best Researcher Award |
| Dr | NUR NASUHA | DAUD | UNIVERSITY OF MALAYA | Malaysia | Control and automation | autonomous computing, link prediction, social network analysis | Best Researcher Award |
| Dr | Nurul | Noor Azman | Universiti Sains Malaysia | Malaysia | Other | Radiation protection | Best Researcher Award |
| Dr | Nusrat | Jahan | American International University Bangladesh | Bangladesh | Other | Materials Science | Most Cited paper Award |
| Prof Dr | Olagoke | Olabisi | Infra-Tech Consulting LLC | United States | Simulation Sensing and Monitoring | Internal Corrosion Monitoring | Best Researcher Award |
| Dr | Olga | Łastowska | Gdynia Maritime University | Poland | Welding processes | Post-weld finishing | Innovations in Welding Research Award |
| Dr | Oluwaseun | Ajayi | Obafemi Awolowo University, Ile-Ife | Nigeria | Neural network applications | Composites | Best Researcher Award |
| Dr | Omar | Al-Jumaili | Middle Technical University | Iraq | Friction welding | Modelling welding process / Solid state welding / Characterization of heat sources / Residual stresses / Microstructure-property relationships / Weldability / Joint formation | Best Researcher Award |
| Prof Dr | Omayma | Elkady | Central Metallurgical Research & Development Institute (CMRDI) | Egypt | Including plastics and composites | Powder metallurgy | Women Researcher Award |
| Prof Dr | Omer | Kucuk | Kastamonu University | Turkey | Neural network applications | Forest fire | Best Researcher Award |
| Mr | Omkar | Mypati | IIT Kharagpur | India | Solid state welding | Molecular dynamics of friction stir welding | Best Researcher Award |
| Mr | Outhmane | Siar | ArcelorMittal R&D | France | Welding Processes | Resistance Spot Welding | Best Researcher Award |
| Dr | Ozkan | Gokcekaya | Osaka University | Japan | Electron Beam Welding & Processing Friction Stir Welding | Additive Manufacturing | Best Researcher Award |