| Dania | Alhyari | Petra University | Jordan | Pharmacology, Toxicology and Pharmaceutical Science | molecular bioligy | worldtopscientists.com |
| Abdulaziz G. | Alghamdi | King Saud University | Saudi Arabia | Agricultural and Biological Sciences | Soil Sciences | worldtopscientists.com |
| Majed | Alghamdi | King Abdulaziz City for Science and Technology (KACST) | Saudi Arabia | Engineering | Micro-electromechanical System | worldtopscientists.com |
| Mohammad | Alessa | King Abdullah Medical city | Saudi Arabia | Health Professions | Medical education and head and neck cancer | worldtopscientists.com |
| Ebtihag | Alenzi | Princess Nourah bint Abdulrahman University | Saudi Arabia | Medicine and Dentistry | Health services and outcomes research | worldtopscientists.com |
| Ebtihag | Alenzi | College of Medicine, Princess Nourah bint Abdulrahman University | Saudi Arabia | Other | Health-related quality of life | worldtopscientists.com |
| Jelena | Aleksic | University of Belgrade, Faculty of Sport and Physical Education | Serbia | Other | Sports Science, Biomechanics, Motion Analysis | worldtopscientists.com |
| Fadi | Aldeek | Altria Client Services LLC | United States | Chemistry | Analytical Chemistry | worldtopscientists.com |
| Urs | Albrecht | University of Fribourg | Switzerland | Biochemistry, Genetics and Molecular Biology | Circadian Rhythms | worldtopscientists.com |
| Mubarak | Albathan | Imam Mohammad Ibn Saud Islamic University (IMSIU) | Saudi Arabia | Computer Science | AI | worldtopscientists.com |
| Mohammed | Albadrani | Qassim University | Saudi Arabia | Engineering | Materials Buildings | worldtopscientists.com |
| Osama | Alam | Zhejiang University | China | Environmental Science | Environmental Biophysics | worldtopscientists.com |
| Massart | Alain | Coimbra University | Portugal | Other | Nutrition and Sports Sciences | worldtopscientists.com |
| Nora | Alafif | KSU | Saudi Arabia | Medicine and Dentistry | Public health | worldtopscientists.com |
| Ali Reza | ALAEI | Southern Cross University | Australia | Computer Science | Artificial Intelligence/Natural language Processing/Tourism and hospitality | worldtopscientists.com |
| Asma Ayyed | AL-Shammary | University of Ha’il, Collage of Public Health and Health Informatics | Saudi Arabia | Other | Regenerative Medicine/Stem Cells Biology/ Biotechnology | worldtopscientists.com |
| Aida | Al-Samawi | College of Computer Sciences and Information Technology, Department of Computer Networks, King Faisal University, Al-Ahsa, 31982, Saudi Arabia | Yemen | Computer Science | Cybersecurity, Telecommunication, Wireless communication, Signal processing, Mathematical modeling | worldtopscientists.com |
| Tariq | Al-Saadi | McGill University | Canada | Medicine and Dentistry | Neurosurgery | worldtopscientists.com |
| Lubna | Al-Qaraleh | Al-Ahliyya Amman University | Jordan | Environmental Science | Solid Waste Management | worldtopscientists.com |
| Najwa | Al-Otaibi | Biology Department, College of Science, Taif University | Saudi Arabia | Environmental Science | Water Ecosystem | worldtopscientists.com |