| Andrés | Barrios Rubio | Pontifical Javeriana University | Colombia | Other | Communication | worldtopscientists.com |
| ANDREA | CALDERONE | Università degli studi di Messina | Italy | Psychology | Psicologia Clinica | worldtopscientists.com |
| André | Stein | Universidade Federal de Mato Grosso (UFMT) | Brazil | Chemistry | Síntese Orgânica | worldtopscientists.com |
| Andre | Pereira | Faculdade de Ciencias da Universidade do Porto | Portugal | Materials Science | Materiais multifuncionais avançados | worldtopscientists.com |
| Andleeb | Masood | Southwest Jiaotong University | China | Physics and Astronomy | Medical Physics/ remote sensing | worldtopscientists.com |
| Anca-Roxana | Petrovici | "Petru Poni" Institute of Macromolecular Chemistry | Romania | Pharmacology, Toxicology and Pharmaceutical Science | Microbiota | worldtopscientists.com |
| Anastasia | Kakouri | Department of the Environment/University Of The Aegean | Greece | Environmental Science | Atmospheric Science/Geoinformatics and Remote Sensing/Environmental Health | worldtopscientists.com |
| Ananya | Kuri | Siemens AG | Germany | Engineering | Power System and Power Electronics | worldtopscientists.com |
| Anali | Azabdaftari | Western Sydney University | Australia | Other | Remote Sensing | worldtopscientists.com |
| Anahit | Sargsyan | IGIC Armenia | Armenia | Chemistry | material | worldtopscientists.com |
| Ana Lúcia | Pires | University of Porto - FCUP | Portugal | Physics and Astronomy | Quantum Technologies | worldtopscientists.com |
| Ana Karine Furtado de | Carvalho | Escola de Engenharia de Lorena - Universidade de São Paulo | Brazil | Environmental Science | biorefinery award, biocatalysis, biofuels, food technology, biomass chemistry | |
| ANA | DE ANDRÉS-MARTÍN | Hospital Universitario Ramón y Cajal | Spain | Health Professions | Inmunología | worldtopscientists.com |
| Ammar | Chouchane | University centre of Barika | Algeria | Engineering | Pattern recognition | worldtopscientists.com |
| Ammar | Odeh | Princess Sumaya University for Technology | Jordan | Computer Science | CyberSecurity | worldtopscientists.com |
| Ammar | Javed | NYU Langone Health | United States | Medicine and Dentistry | Pancreatic Surgery | worldtopscientists.com |
| Amirmohammad | Behzadi | KTH Royal Institute of Technology | Sweden | Energy | Smart Energy System Design/Control/Optimization | worldtopscientists.com |
| Amirhossein | Baghestani | Shahid Beheshti University | Iran | Engineering | Transportation | worldtopscientists.com |
| Amir Hossein | Poursaeed | University of Exeter | United Kingdom | Engineering | Electrical Engineering | worldtopscientists.com |
| Amir | Maharjan | University of Southern Queensland | Australia | Agricultural and Biological Sciences | Wildlife Conservation | worldtopscientists.com |