| Henrik Jarlbæk | Specialkonsulent | DTU Fødevareinstituttet | 41 67 70 04 |  |
| Zofia Dorota Jarczynska | Postdoc | DTU Bioengineering | 45 25 25 81 |  |
| Zofia Dorota Jarczynska | Microbial Strain Engineer | DTU Biosustain | 60 90 42 37 |  |
| Benjamin Janura | Betjent | DTU Bioengineering | 93 51 08 56 |  |
| Jakob Janting | Seniorforsker | DTU Fotonik | 24 98 27 17 |  |
| Kira Hyldekær Janstrup | Adjunkt | DTU Management | 45 25 65 26 |  |
| Henning Thorbjørn Janssen | Servicemedarbejder | Campus Service | 45 25 12 07 |  |
| Michelle Jansman | Ph.d.-studerende | DTU Sundhedsteknologi | |  |
| Karina Jansen | Laborant | DTU Bioengineering | 45 25 27 78 |  |
| Teunis Jansen | Seniorforsker | DTU Aqua | 35 88 33 55 |  |