| Jorge | Poveda | University of Valladolid | Spain | Agricultural and Biological Sciences | Plant pathology | worldtopscientists.com |
| Joon CHing | Juan | Universiti Malaya | Malaysia | Chemistry | Material and catalysis | |
| Jong-Ryul | Yang | Konkuk University | South Korea | Engineering | Electronics Engineering | worldtopscientists.com |
| Jong-Chul | Yang | Jeonbuk National University Hospital | South Korea | Neuroscience | Psychiatry | worldtopscientists.com |
| john | mantilla | Universidade de Uberlandia | Brazil | Physics and Astronomy | Nanomaterials | worldtopscientists.com |
| Johannes | Wellmann | TU Berlin, Institut für technischen Umweltschutz | Germany | Environmental Science | Environmental Process Engineering | worldtopscientists.com |
| Joe | Adserias-Garriga | Mercyhurst University | United States | Other | Forensic Anthropology and Odontology | worldtopscientists.com |
| Joao Paulo | Neto Torres | Military Academy | Portugal | Engineering | energy and optoelectronic | worldtopscientists.com |
| João | de Melo | UFAPE' | Brazil | Agricultural and Biological Sciences | Entomologia Agrícola | |
| João | Gomes | ISEL - Instituto Superior de Engenharia de Lisboa | Portugal | Engineering | Chemical Engineering | worldtopscientists.com |
| Jiyang | Yi | Nanjing Forestry University | China | Engineering | Machine learning in civil engineering/Interpretable ML-based structural performance prediction/Structural health monitoring and intelligent engineering applications | worldtopscientists.com |
| JINME | XU | http://www.cbiachina.com/ | China | Other | Forestry-Climate change by havested wood | worldtopscientists.com |
| Jing | Pan | Beijing GoBroad Boren Hospital | China | Health Professions | Hematology | |
| Jing | Wang | Southeast University | China | Computer Science | Artificial Intelligence | worldtopscientists.com |
| Jing | Li | Chongqing University | China | Energy | heat storage | worldtopscientists.com |
| Jimmy | Chaciga | Makerere University | Uganda | Energy | Energy storage for solar cooking | worldtopscientists.com |
| Jill | Hanass-Hancock | South Africa Medical Research Council | South Africa | Social Sciences | Health and Disability | worldtopscientists.com |
| Jihong | Hu | Gansu University of Chinese Medicine | China | Medicine and Dentistry | Pediatrics | worldtopscientists.com |
| Jihenne | BEN AISSA-HAJ | INSTITUT PASTEUR DE TUNIS | Tunisia | Biochemistry, Genetics and Molecular Biology | Genomics, Oncogenetics | worldtopscientists.com |
| Jicheng | Yu | Wuhan University of Science and Technology | China | Mathematics | Fractional Calculus and Applied Analysis | worldtopscientists.com |