| Dr | Jaydeep | Pandya | Maharaja Krishnakumarsiinhji Bhavnagar University | India | Mathematics | Operations Research, Mathematical Modelling | Best Researcher Award | bestpaperawards.com |
| Dr | Jaykumar | Chavan | Yashavantrao Chavan Institute of Science, Satara | India | Agricultural and Biological Sciences | Plant Sciences | Most Reader's Article Award | bestpaperawards.com |
| Dr | Jean Baptiste | HABINSHUTI | University of Rwanda | Rwanda | Materials Science | Minerals Processing and Metals Extraction | Best Researcher Award | |
| Dr | Jean Calvin | NSANGOU | National Advanced School of Engeneering | Cameroon | Energy | Efficacité énergétique | Best Paper Award | |
| Assist. Prof. Dr | Jean Pierre | Doussoulin | Universidad Austral de Chile | Chile | Economics, Econometrics and Finance | Ecological Economics | Most Reader's Article Award | |
| Mr | Jean-Christophe | Poussin | Institut de Recherche pour le Développement | France | Agricultural and Biological Sciences | Riziculture irriguée | Best Paper Award | |
| Dr | Jean-Pierre | Magnot | Université d'Angers | France | Mathematics | mathematical physics and decision theory | Best Researcher Award | |
| Prof Dr | Jeffrey | Pyne | Central Arkansas Veterans Healthcare System | United States | Medicine and Dentistry | COVID-19 Vaccine Acceptance | Best Researcher Award | |
| Prof Dr | Jelica | Grujic-Milanovic | University of Belgrade Department for Cardiovascular Research, Laboratory for Experimental Hypertension Institute for Medical Research, National Institute of Republic of Serbia | Serbia | Biochemistry, Genetics and Molecular Biology | hypertension, oxidative stress | Most Reader's Article Award | |
| Prof. Dr | Jennifer | Blain | Arizona State University | United States | Engineering | Point of Care Diagnostics | Best Researcher Award | bestpaperawards.com |
| Prof | Jens | Høeg | University of Copenhagen | Denmark | Agricultural and Biological Sciences | Marine Biology | Best Researcher Award | |
| Dr | Jeongseog | Oh | Korea Institute of Energy Research (KIER) | South Korea | Energy | Aluminum water splitting | Best Researcher Award | bestpaperawards.com |
| Dr | Jesús | Ballestrín Bolea | CIEMAT | Spain | Energy | Energía Solar | Best Paper Award | |
| Dr | Jesús | Ramírez | Universidad de Los Andes | Venezuela | Chemistry | macromolecular chemistry | Best Researcher Award | |
| Dr | Jesus David | Coral Medina | Universidad Cooperativa de Colombia | Colombia | Chemical Engineering | Biotecnología | Best Researcher Award | |
| Prof | Ji Hoon | Jeong | Department of Pharmacology College of Medicine Chung-Ang University | South Korea | Pharmacology, Toxicology and Pharmaceutical Science | Neuroscience | Best Researcher Award | |
| Prof | Jian Zhao (Jet) | Yin | College of Earth Sciences, Jilin University, China; Orient Resources Ltd., Canada | Canada | Earth and Planetary Sciences | Economic geology, mineral exploration and mining | Best Paper Award | bestpaperawards.com |
| Prof Dr | Jian-Jun | SHU | Nanyang Technological University | Singapore | Engineering | ENGINEERING, PETROLEUM | Best Researcher Award | |
| Mr | jianbin | chen | jianbin chen | China | Engineering | Power Electronics | Best Researcher Award | bestpaperawards.com |
| Dr | Jiangling | Wu | Henan University | China | Engineering | Transportation | Best Researcher Award | bestpaperawards.com |