| Dr | Dastagiri | MB | ICAR-NAARM | India | Global Trade | Best Researcher Award |
| Mr | David | Romero-Estévez | Potificia Universidad Católica de Ecuador | Ecuador | Natural food contamination | Best Researcher Award |
| Mr | David Tavi | Agbor | Catholic University Institute Buea Cameroon | Cameroon | Sustainable crop production, agroecology and integrated soil fertility management | Young Scientist Award |
| Dr | Debabrata | Das | B. P. Poddar Institute of Management and Technology | India | Mathematical ecology. Sustainable fisheries Management and ecosystem services | Best Researcher Award |
| Dr | Dejene | Mengistu | Alliance of Bioversity International and CIAT | Ethiopia | cereal science/breeding | Best Researcher Award |
| Assoc Prof Dr | Dele | RAHEEM | Arctic Centre, University of Lapland | Finland | Sustainable Agriculture and Food System | Best Researcher Award |
| Dr | Demelash | Goshime | Arba Minch University Water Technology Institute | Ethiopia | Hydrology and Water Resources Engineering | Best Researcher Award |
| Prof Dr | Demin | Cai | Yangzhou University | China | Animal Nutrition/Livestock Health/Anti-mycotoxin | Best Researcher Award |
| Dr | Dev | Shrestha | University of Idaho | United States | Modeling | Best Researcher Award |
| Mr | Dev Ram | Sunuwar | Armed Police Force Hospital, Kathmandu Nepal | Nepal | Nutrition and Dietetics | Best Researcher Award |
| Mr | Devesh | Bhatt | G B Pant university of agriculture and research | India | Fate of Pesticides in Environment | Young Scientist Award |
| Dr | Deying | Wang | Bangor University | United Kingdom | Soil science | Best Researcher Award |
| Dr | Didier | Milindi Rugema | To be communicated later after settling to Rwanda | Rwanda | Land administration and management | Best Researcher Award |
| Prof Dr | Dilmar | Baretta | UDESC - Universidade do Estado de Santa Catarina | Brazil | Biologia do Solo | SustainableAg Leadership Award |
| Assist Prof Dr | Dina | Yaseen | Education | Iraq | Water and wastewater management | Best Researcher Award |
| Prof Dr | Diógenes | Siqueira-Silva | Federal University of the South and Southeast of Pará | Brazil | Animal reproduction/ fish reproduction | Best Researcher Award |
| Prof Dr | DIOGO | SILVA | UFSCar | Brazil | Data and information for sustainability on Agriculture and Food System | Best Researcher Award |
| Prof Dr | Dionei | Lima Santos | Instituto Federal de Educação, Ciência e Tecnologia do Pará, Campus Conceição do Araguaia | Brazil | Agricultural water management | Best Researcher Award |
| Prof Dr | Dionisio | Alvindia | Philippine Center for Postharvest Development and Mechanization (PHilMech), Department of Agriculture | Philippines | non chemical pest and disease management | Best Researcher Award |
| Mr | Dipanjan | Karati | Techno India University | India | Medicinal chemistry | Best Researcher Award |