| Pernille Hartmund Jørgensen | Ph.d.-studerende | DTU Mekanik | 45 25 41 51 |  |
| Preben Jørgensen | Institutdirektør, MScEE, PhD, HD/O | DTU Elektro | 93 51 12 11 |  |
| Philip Johan Havemann Jørgensen | Ph.d.-studerende | DTU Compute | |  |
| Louise Møller Jørgensen | Administrativ medarbejder | Campus Service | 45 25 69 89 |  |
| Katrine Jønsson | Ph.d.-studerende | DTU Sundhedsteknologi | |  |
| Kasper Martin Jønck | Ph.d.-studerende | DTU Kemiteknik | |  |
| Alexander Jönsson | Postdoc | DTU Sundhedsteknologi | |  |
| Jeppe Jönsson | Professor | DTU Byg | 45 25 17 07 |  |
| Sigriður Svala Jónasdóttir | Ph.d.-studerende | DTU Compute | 45 25 34 72 |  |
| Hjörtur Jóhannsson | Senior Scientific Consultant | DTU Elektro | 45 25 36 15 |  |