| Mrs | Dasuni | Dayananda | University of Peradeniya | Sri Lanka | Agricultural and Biological Sciences | Agricultural Economics | Young Scientist Award | |
| Dr | david | buck | University of Sheffield | United Kingdom | Arts and Humanities | landscape architecture | Best Researcher Award | |
| Dr | David | Alemany | Universidad de Sevilla | Spain | Arts and Humanities | Cultural Studies | Best Researcher Award | |
| Dr | David | Ahmedt-Aristizabal | CSIRO | Australia | Computer Science | Computer vision | Best Researcher Award | |
| Prof | David | HENRY | IMS Lab. / University of Bordeaux | France | Engineering | Model-based fault diagnosis,fault-tolerant control,aerospace application | Best Researcher Award | |
| Dr | David | Tshwane | Council for Scientific and Industrial Research | South Africa | Materials Science | Computational Modelling and Simulation | Young Scientist Award | |
| Mr | David | Fernandes de Oliveira | University of Manitoba | Canada | Engineering | Building Information Modeling | Best Researcher Award | youngscientistawards.com |
| Assist. Prof. Dr | David | Paz | Universidad de Cantabria | Spain | Economics, Econometrics and Finance | Efficiency, production | Best Researcher Award | youngscientistawards.com |
| Prof Dr | David | Juarez-Varon | Universitat Politècnica de València | Spain | Social Sciences | Neuromarketing | Excellence in Research | |
| Assoc Prof Dr | David | Hayrapetyan | A.B. Nalbandyan Institute of Chemical Physics NAS RA | Armenia | Physics and Astronomy | Nanophysics | Best Researcher Award | |
| Assist. Prof. Dr | David | Mínguez García | Universitat Politècnica de València | Spain | Materials Science | Textile Engineering | Best Researcher Award | youngscientistawards.com |
| Ms | Davison | Assis | Federal University of Pará | Brazil | Arts and Humanities | Social Sciences | Young Scientist Award | |
| Dr | Davood | Fereidooni | Damghan University | Iran | Earth and Planetary Sciences | Engineering Geology | Best Researcher Award | |
| Dr | Daya Sagar | Gupta | Rajiv Gandhi Institute of Petroleum Technology Amethi UP | India | Computer Science | Cyber security | Best Researcher Award | |
| Dr | Dayse | Carneiro | Brazil´s Ministry of Health | Brazil | Social Sciences | Public Sector Innovation | Best Researcher Award | |
| Dr | DEBARATI | NAG | Savitribai Phule Pune University | India | Earth and Planetary Sciences | Palaeoclimate | Best Researcher Award | |
| Assist Prof Dr | Debarati | Dey Roy | B. P.Poddar Institute of Management and Technology | India | Other | Nano Electronics | Best Researcher Award | |
| Assoc Prof Dr | Debashis | Panda | Rajiv Gandhi Institute of Petroleum Technology | India | Chemistry | Fluorescence Spectroscopy | Best Researcher Award | |
| Dr | Debashis | Mandal | Indian Council of Agricultural Research | India | Agricultural and Biological Sciences | Soil Science, soil erosion, soil conservation | Best Researcher Award | |
| Mr | Debashis | Mohanty | C. V. Raman Global University, Bhubaneswar, Odisha | India | Mathematics | Fluid Dynamics | Best Researcher Award | |