| Dr | Dawn Iris | Calibo-Senit | Siquijor State College | Philippines | Computer Science | Information Technology, Education | Best Researcher Award | |
| Dr | David Salvador | Sanz | University of Cantabria | Spain | Engineering | Biofouling | Best Researcher Award | |
| Prof. Dr | David | Espindola | University of O'Higgins | Chile | Health Professions | Ultrasound | Best Researcher Award | citationawards.com |
| Dr | David | Fernández Gutiérrez | CETENMA | Spain | Chemical Engineering | Biorefinery | Best Researcher Award | citationawards.com |
| Prof | David | Uttal | Northwestern University | United States | Social Sciences | Intelligence | Best Researcher Award | citationawards.com |
| Dr | Darya | Novopashina | Institute of Chemical Biology and Fundamental Medicine SB RAS | Russia | Biochemistry, Genetics and Molecular Biology | Gene editing using CRISPR-Cas system | Research Excellence Award | citationawards.com |
| Dr | Dario Alejandro | Leon Valido | Norwegian Universuty of Life Sciences | Norway | Materials Science | Electronic Structure Methods | Best Researcher Award | |
| Mr | Danil | Pimenov | South Ural State University | Russia | Engineering | Mechanical Engineering | Best Researcher Award | |
| Assoc. Prof. Dr | Daniella | Mulinari | State University of Rio de Janeiro (UERJ) | Brazil | Chemical Engineering | Green Technology | Best Researcher Award | |
| Prof | Daniel | Mandel Gandrita | Universidade Lusófona | Portugal | Business, Management and Accounting | Estratégia | Research Excellence Award | citationawards.com |
| Prof | Daniel | Roque Gomes | Polytechnic Institute of Coimbra - Instituto Politécnico de Coimbra / ICNOVA - Instituto de Comunicação da NOVA | Portugal | Business, Management and Accounting | Gestão de Recursos Humanos | Best Researcher Award | citationawards.com |
| Assoc. Prof. Dr | Daniel | Garcia-Gonzalez | Universidad Carlos III de Madrid | Spain | Engineering | Mechanical Engineering | Most Cited Article Award | |
| Dr | Daniel | Aja | University of Cape Coast, Ghana | Ghana | Environmental Science | Soil pollution | Most Reader's Article Award | |
| Prof. Dr | Daniel | Soper | California State University, Fullerton | United States | Business, Management and Accounting | Information Systems | Best Researcher Award | citationawards.com |
| Dr | Dan Erick | Vivas Ruiz | Universidad Nacional Mayor de San Marcos | Peru | Agricultural and Biological Sciences | Bioquímica y Biología Molecular | Best Paper Award | |
| Dr | Dalila | FARES | Institute of Electrical and Electronic Engineering, University M'hamed BOUGARA of Boumerdes | Algeria | Engineering | Electrical and Electronic Engineering | Most Cited Article Award | |
| Assoc Prof Dr | Dalal | Bayahia | umm Alqura university | Saudi Arabia | Environmental Science | Radiation | Best Researcher Award | citationawards.com |
| Mr | Dagnenet | Sultan | Bahir Dar University | Ethiopia | Environmental Science | Watershed hydrology | Most Reader's Article Award | |
| Dr | Da-Hai | Xia | Tianjin University | China | Materials Science | Corrosion electrochemistry | Best Researcher Award | citationawards.com |
| Assoc Prof Dr | D.I. Ansusa | Putra | Sulthan Thaha Saifuddin State Islamic University | Indonesia | Arts and Humanities | Socio-Religion Studies | Best Paper Award | |