| Abolfazl Arjmandi | PhD Student | DTU Chemical Engineering | |  |
| Raquel Aymerich Armengol | Postdoc | DTU Physics | | |
| Herenia Espitia Armenta | Postdoc | DTU Chemical Engineering | | |
| Örn Arnarson | Laboratory Assistant | DTU Aqua | | |
| Matteo Arnaudi | PhD student | DTU Health Tech | | |
| Freja Fink Arnbjerg-Nielsen | Studentermedhjælper | DTU Physics | | |
| Julie Arndt | Administrative Coordinator | DTU Energy | +45 93 59 68 63 | |
| Daniel Arndtzen | PLK Technician | DTU Wind | +45 60 80 27 30 | |
| Jonathan Asmund Arnesen | Postdoc | DTU Biosustain | +45 93 51 08 20 | |
| Trylle Arnfred | Senior Executive Officer and PA for Lars D. Christoffersen | ADM4 | +45 45 25 10 07 | |