| Elena Jansen | Senior Researcher | DTU National Food Institute | |  |
| Celia Jansen | PhD Student | DTU National Food Institute | | |
| Michelle Maria Theresia Jansman | Researcher | DTU Health Tech | | |
| Henning Thorbjørn Janssen | Service Staff | CAS | +45 45 25 12 07 | |
| Jakob Janting | Senior Researcher | DTU Electro | +45 45 25 38 02 | |
| Benjamin Jonathan Janura | Janitor | DTU Bioengineering | +45 93 51 08 56 | |
| Stephanie Janvit | Kontorfuldmægtig | DTU Health Tech | +45 93 51 12 17 | |
| Scott Alexander Jarmusch | Assistant Professor | DTU Bioengineering | +45 45 25 25 70 | |
| Maria Jarnum | Research Technician | DTU Aqua | +45 61 33 73 41 | |
| Karolina Jastrembska | Postdoc | DTU Sustain | | |
| Jan Jastrzebski | Development engineer | DTU Wind | | |
| Kimia Yousefi Javan | Postdoc | DTU Energy | | |
| Dhivakaran Jayakumar | PhD Student | DTU Construct | | |
| Nithiyashri Jayashankar | PhD Student | DTU Health Tech | | |
| Omofolasewa Hillary Jayeola | PhD Student | DTU Chemistry | | |
| Bushra Jazrawi | Flexjobber | DTU Energy | | |
| Rebecca Hejgaard Jebjerg | Staff administrator | DTU Construct | | |
| Marius Jeding-Jansen | Studentermedhjælper | ADM5 | | |
| Ole Jeding-Jansen | Business Controller | ADM5 | +45 93 51 14 63 | |
| Marta Jedynak-Slyvka | Akademisk medarbejder | DTU Health Tech | | |
| Arne S Jegers | Postdoc | DTU Space | | |
| Paul Jeha | PhD Student | DTU Compute | | |
| Morten Stendahl Jellesen | Associate Professor | DTU Construct | +45 45 25 22 13 | |
| Lars Jelsbak | Professor | DTU Bioengineering | +45 45 25 61 29 | |
| Martina Gallego Jene | Student Assistant | DTU Space | | |
| Agnete Therese Jenfort | PhD Student | DTU Chemical Engineering | | |
| Timothy Patrick Jenkins | Associate Professor | DTU Bioengineering | | |
| Poul Jørgen Jennum | Professor, Danish Center for Sleep Medicine, Rigshospitalet | DTU Health Tech | | |
| Barbara Jenny | PhD student | DTU Space | | |
| Adam Jenofalvi | PhD Student | BRIGHT | | |
| Niels Bjerg Jensen | Guest Project leader | DTU Bioengineering | | |
| Mogens O Stibius Jensen | Emeritus | DTU Physics | +45 45 25 31 42 | |
| Martin Jensen | IDE CRM tilknyttet DTU Link | DTU Skylab | | |
| Lene Kirstejn Jensen | Head of Laboratory Section | DTU Sustain | +45 20 99 26 71 | |
| Helle Vendelbo Jensen | Laborant | DTU Nanolab | +45 45 25 55 12 | |
| Lisbeth Krüger Jensen | Laboratory Engineer | DTU National Food Institute | +45 93 51 89 23 | |
| Finn Sivebæk Jensen | Advisor on Freshwater Fisheries Management | DTU Aqua | +45 35 88 31 17 | |
| Rasmus Frydenlund Jensen | Fisheries Technician | DTU Aqua | +45 26 25 14 23 | |
| Robert Steen Raunsgaard Jensen | Scientific Floor Manager | DTU Physics | +45 61 77 89 45 | |
| Peter Jensen | Research Technician | DTU Electro | +45 46 77 45 25 | |
| Ole Bjarlin Jensen | Senior Researcher | DTU Electro | +45 46 77 45 53 | |
| Ulla Irene Jensen | HR Service Staff | ADM3 | +45 45 25 10 45 | |
| Tim Enzlberger Jensen | Senior Researcher | DTU Space | +45 45 25 97 37 | |
| Kaare Hartvig Jensen | Associate Professor | DTU Physics | +45 45 25 27 49 | |
| Vagn Jensen | forskningstekniker | DTU Wind | | |
| Jens Oluf Jensen | Professor | DTU Energy | +45 45 25 23 14 | |
| Niels Steenfeldt Jensen | Laboratory Engineer | DTU Construct | +45 45 25 48 32 | |
| Bjørn Sand Jensen | Associate Professor | DTU Compute | | |
| Ann B Fink Jensen | Laboratory Technician | BRIGHT | +45 31 72 28 55 | |
| Gitte Bruun Jensen | Head of Library | AFRI | +45 21 66 86 13 | |
| Thomas Skov Jensen | Senior Information Officer | AFRI | | |
| Thomas Christian Jensen | Special consultant | DTU Management | +45 45 25 65 44 | |
| Anders Fjendbo Jensen | Associate Professor | DTU Management | +45 45 25 65 96 | |
| Stephanie Nepper Jensen | Regnskabsmedarbejder | ADM5 | +45 45 25 03 88 | |
| Gitte Pia Jensen | Regnskabsmedarbejder | ADM5 | +45 45 25 18 84 | |
| Michael Møller Jensen | Project Manager | CAS | +45 20 31 10 55 | |
| Dennis Jensen | Økonomi konsulent | ADM5 | +45 93 51 07 97 | |
| Jørgen Arendt Jensen | Head of Section, Professor, Ph.D., Dr.Techn. | DTU Health Tech | +45 45 25 39 24 | |
| Pernille Rose Jensen | Groupleader, Associate Professor | DTU Health Tech | +45 45 25 36 88 | |
| Jonas Vestergaard Jensen | PhD Student | DTU Compute | | |
| Ulrich Berggren Jensen | Captain | DTU Aqua | +45 93 51 16 11 | |
| Jan Heine Jensen | Gardener Assistant | CAS | | |
| Kristian Storm Jensen | Engineer | DTU Space | +45 45 25 34 58 | |
| Katrine Ledsgaard Jensen | Student Assistant | DTU Bioengineering | | |
| Tore Vind Jensen | Journalist | AKM | +45 45 25 12 19 | |
| Luca Victoria Bune Jensen | Software Engineer | DTU Space | | |
| Mathias Jensen | Postdoc | DTU Bioengineering | | |
| Camilla Nørgaard Jensen | Programme Manager | DTU Skylab | +45 20 82 81 09 | |
| Nina Maria Jensen | Timelærer | DTU Adgangskursus | | |
| Karsten Steen Jensen | Analytical Chemist | BRIGHT | +45 93 51 19 19 | |
| Jørn Lykke Jensen | Forsøgstekniker | DTU Construct | +45 93 51 00 68 | |
| Pernille Erland Jensen | Associate Professor | DTU Sustain | +45 93 51 09 69 | |
| Ole Mejlhede Jensen | Professor | DTU Sustain | +45 45 25 18 63 | |
| Agata Ewa Jensen | Internal Support Specialist | ADM3 | +45 93 51 13 98 | |
| Marie Solitander Jensen | PhD Student | DTU Management | | |
| Maria Lovise Jensen | Specialkonsulent | AFRI | +45 21 36 28 82 | |
| Peter Klint Jensen | Associate Professor Emeritus | DTU Sustain | +45 21 69 78 65 | |
| Isabella Høeg Jensen | Project Controller | ADM5 | +45 45 25 03 07 | |
| Mie Engelbrecht Jensen | PhD Student | DTU Energy | +45 28 43 32 88 | |
| Line Vinther Jensen | Student Assistant | ADM3 | | |
| Søren Jensen | Project Management Officer | CROME | | |
| Caroline Arentoft Jensen | Institute Coordinator | DTU Aqua | +45 93 51 10 08 | |
| Mille Amalie Kulager Jensen | Fuldmægtig | AFRI | +45 93 51 18 53 | |
| Cecilie Naledi Maagaard Jensen | Research Funding Adviser | DTU Management | | |
| Amalie Malling Jensen | Specialkonsulent | AFRI | +45 93 51 13 93 | |
| Erik Bæk Jensen | IT Specialist | IT Service | | |
| Niels Jensen | | IT Service | | |
| Niels Jensen | IT medarbejder | DeIC | | |
| Anders Bøgh Jensen | Patentspecialist | AFRI | +45 93 59 68 48 | |
| Astrid Gotlieb Jensen | Recruitment & Onboarding Consultant | ADM3 | +45 22 20 55 68 | |
| Emil Alstrup Jensen | PhD Student | DTU Compute | | |
| Marlene Mark Jensen | Researcher | DTU Chemical Engineering | | |
| Annette Eva Jensen | Laboratory Technician | DTU Sustain | +45 22 10 76 15 | |
| Miriam Jensen | Administrative Coordinator | DTU National Food Institute | +45 25 65 06 55 | |
| Sif Lehman Jensen | Specialkonsulent | AFRI | +45 93 51 11 40 | |
| Anders Juel Jensen | Academic Officer | DTU National Food Institute | | |
| Thorkild Jensen | Tjenesteansvarlig | IT Service | +45 35 88 82 35 | |
| Henrik Jensen | Sikkerhedskonsulent DeiC/DKCERT | IT Service | | |
| Michala Damsgaard Jensen | PhD Student | DTU Energy | +45 93 51 08 13 | |
| Emil Damgaard Jensen | Associate Professor | DTU Bioengineering | | |