| Assoc Prof Dr | Dan | Wang | Xi'an Jiaotong University | China | Best Researcher Award | inventionawards.org |
| Ms | Danai | Tsakiri | National Technical University of Athens | Greece | Best Researcher Award | inventionawards.org |
| Prof | Daniel | Kalús | Slovak University of Technology in Bratislava | Slovakia | Innovative Research Award | inventionawards.org |
| Mr | Danjuma Abdu | Yusuf | Chongqing University | Nigeria | Excellence in Research Award | inventionawards.org |
| Dr | Dardo R. | LOPEZ | INTA- Estación Forestal Villa Dolores (EEA Manfredi) | Argentina | Best Researcher Award | inventionawards.org |
| Prof | Dario | Cattaneo | Humanitas University | Italy | Research Excellence Award | inventionawards.org |
| Prof | Dario | Pezzini | FIN | Italy | Research Excellence Award | inventionawards.org |
| Dr | Darkhan | Yerezhep | Satbayev University | Kazakhstan | Distinguished Scientist Award | inventionawards.org |
| Dr | Dasiel Oscar | Borroto Escuela | University of Malaga | Spain | Research Excellence Award | inventionawards.org |
| Dr | Dauren | Botbayev | Aitkhozhin Institute of Molecular Biology and Biochemistry | Kazakhstan | Research Excellence Award | inventionawards.org |
| Dr | David | Hua | Ball State University | United States | Best Researcher Award | inventionawards.org |
| Dr | Dawid | Maciejewski | University of Agriculture in Krakow | Poland | Best Researcher Award | inventionawards.org |
| Mrs | Deborah | Ishaku | Gombe State Polytechnic, Gombe | Nigeria | Best Researcher Award | inventionawards.org |
| Mr | Degu Abate | mengiste | Haramaya university | Ethiopia | Research Excellence Award | inventionawards.org |
| Dr | Despoina | Tounta | National and Kapodistrian University of Athens | Greece | Best Researcher Award | inventionawards.org |
| Prof Dr | Dessislava | Petrova-Antonova | GATE Institute, Sofia University | Bulgaria | Best Researcher Award | inventionawards.org |
| Dr | Diksha | Gupta | Ajeenkya DY Patil University, Pune | India | Women Researcher Award | inventionawards.org |
| Prof. Dr | Dima | Chen | Inner Mongolia University | China | Research Excellence Award | inventionawards.org |
| Prof. Dr | Dimitrinka | Nikolova | Institute of Catalysis, Bulgarian Academy of Sciences | Bulgaria | Innovative Research Award | inventionawards.org |
| Prof. Dr | Dimitrios | Sophianopoulos | Department of Civil ENgineering/University of Thessalu | Greece | Best Researcher Award | inventionawards.org |