| Jorge | Zavala | University of Buenos Aires | Argentina | Agricultural and Biological Sciences | Plant Protection/Plant defenses against insect attack/ | worldtopscientists.com |
| Jorge | Poveda | University of Valladolid | Spain | Agricultural and Biological Sciences | Plant pathology | worldtopscientists.com |
| José | Pedro | IST-University of Lisbon | Portugal | Engineering | Structural Engineering | worldtopscientists.com |
| José | Pilartes-Congo | Texas A&M University-Corpus Christi | United States | Engineering | Geospatial Science and Geomatics Engineering | worldtopscientists.com |
| JOSE DANIEL | LOPEZ BARRIENTOS | Universidad Anahuac México | Mexico | Mathematics | Teorías del control y juegos estocásticos | worldtopscientists.com |
| JOSE MATILDO | PAREDES | UNIVERSIDAD NACIONAL DE LA PATAGONIA SAN JUAN BOSCO | Argentina | Earth and Planetary Sciences | Geology - Stratigraphy | worldtopscientists.com |
| Joseph | Arhavbarien | Rockedge Ventures (UK) Ltd | United Kingdom | Environmental Science | Environmental Sustainablity & Green Operations | worldtopscientists.com |
| Joseph | Adebayo | University of Ilorin, Nigeria | Nigeria | Biochemistry, Genetics and Molecular Biology | Biochemistry/Clinical Biochemistry | worldtopscientists.com |
| Joseph | Squillace | Penn State University | United States | Computer Science | Cybersecurity | worldtopscientists.com |
| Joshna | M | Dr.M.G.R.FC&RI | India | Veterinary Science and Veterinary Medicine | Aquaculture | worldtopscientists.com |
| Josiah | Lebakeng | Thabo Mbeki African School of Public and International Affairs | South Africa | Social Sciences | Security and Intelligence | worldtopscientists.com |
| Josue | Enriquez Zarate | AP ENGINEERING INNOVACIÓN TECNOLÓGICA EN ENERGÍAS S.A DE C.V. | Mexico | Energy | Energía Eólica | worldtopscientists.com |
| Juan | Prada | Universitat de Barcelona | Colombia | Mathematics | Matematicas y Física | worldtopscientists.com |
| Juan | Lara-Rubio | University of Granada | Spain | Economics, Econometrics and Finance | Financial Economics and Accounting | worldtopscientists.com |
| Juan | Zhang | Shanxi Medical University | China | Other | Health manage, Health education | worldtopscientists.com |
| judita | kinkorova | university hospital Pilsen | Czech Republic | Medicine and Dentistry | Biobanking | worldtopscientists.com |
| Júlia | Daneluz | University of Caxias do Sul | Brazil | Chemical Engineering | Beverage Technology | |
| Julia | Poletaeva | Institute of Chemical Biology and Fundamental Medicine | Russia | Agricultural and Biological Sciences | Nanotechnology | worldtopscientists.com |
| Juliana | Minetto Gellert Paris | University of Bonn | Germany | Agricultural and Biological Sciences | Nutrition | worldtopscientists.com |
| Julio | Pimentel | University of California, San Diego | United States | Biochemistry, Genetics and Molecular Biology | Cancer Biology | worldtopscientists.com |