| Mark Nicholas Jones | Postdoc | DTU Kemiteknik | |  |
| Gunnar Eigil Jonsson | Emeritus lektor | DTU Kemiteknik | 45 25 29 46 |  |
| Michael André Jonsson | Senior Forretningsudvikler | AFRI | 40 50 89 29 |  |
| Marianne Fuglsang Jordt | Studentermedhjælper | Afdelingen for Uddannelse og Studerende | |  |
| Abhayraj Shrikrishna Joshi | Post-doc | DTU Biosustain | 93 51 16 67 |  |
| Ognjen Jovanovic | Ph.d.-studerende | DTU Fotonik | 45 25 66 30 |  |
| Kristine Aavild Juhl | Ph.d.-studerende | DTU Compute | |  |
| Karsten Juhl | Betjent | DTU Engineering Technology | 35 88 50 93 |  |
| Isabella Jul-Jørgensen | Ph.d.-studerende | DTU Kemiteknik | |  |
| Ulla Jungersen | Gruppeleder | Afdelingen for IT Service | 45 25 73 62 |  |