| Ali Asghar | Chitband | Lorestan University | Iran | |
| Ali Reza | ALAEI | Southern Cross University | Australia | worldtopscientists.com |
| Aliasghar | Shokri | Alzahra University | Iran | worldtopscientists.com |
| Alice | Di Donna | Université Grenoble Alpes | France | worldtopscientists.com |
| Alicia Eva | López-Martínez | Universidad de Málaga | Spain | |
| Alina | Basnet | SUNY Upstate Medical University | United States | worldtopscientists.com |
| Alireza | Asle Zaeem | Nuclear science and technology research institute (NSTRI) | Iran | worldtopscientists.com |
| Álvaro | Figueira | FCUP - Universidade do Porto | Portugal | worldtopscientists.com |
| Aly Mousaad | Aly | Louisiana State University | United States | worldtopscientists.com |
| Amal | Balila | Samer Engineering Consultancy Group | Oman | worldtopscientists.com |
| Amanda | Femano | Air Force Institute of Technology Graduate School of Engineering and Management Department of Operational Sciences | United States | worldtopscientists.com |
| Amani Jackson | Uisso | Tanzania Forestry Research Institute | Tanzania | worldtopscientists.com |
| Ambar | Shaikh | University of York | United Kingdom | worldtopscientists.com |
| Amel | Hamdi | Instituto de la grasa | Spain | worldtopscientists.com |
| Amena | Darwish | University of Skovde | Sweden | worldtopscientists.com |
| Amgalan | Bor | National University of Mongolia | Mongolia | worldtopscientists.com |
| Amin | Darabnoush Tehrani | The University of Texas at Arlington | United States | worldtopscientists.com |
| Amir | Maharjan | University of Southern Queensland | Australia | worldtopscientists.com |
| Amir Hossein | Poursaeed | University of Exeter | United Kingdom | worldtopscientists.com |
| Amirhossein | Baghestani | Shahid Beheshti University | Iran | worldtopscientists.com |