| Maj-Britt Jacobsen | Laboratory Technician | DTU Aqua | |  |
| Hanne Maria Jacobsen | Project Officer | DTU Aqua | +45 93 51 13 63 | |
| Lars Magnus Wulff Jacobsen | Senior Researcher | DTU Aqua | +45 35 88 31 25 | |
| Hanne Vibeke Seidler Jacobsen | Senior Academic Officer | DTU National Food Institute | +45 93 51 07 95 | |
| Martin Arentoft Jacobsen | Postdoc | DTU Electro | +45 45 25 68 76 | |
| Christian Jacobsen | AC-fuldmægtig | ADM4 | +45 45 25 78 33 | |
| Johan Hauser Jacobsen | Student Assistant | DTU Aqua | | |
| Kristian Ebstrup Jacobsen | PhD student | DTU Wind | +45 29 80 24 01 | |
| Rasmus Elkjær Jacobsen | Assistant Professor | DTU Space | | |
| Anders Bogh Jacobsen | PhD student | DTU Energy | +45 26 79 37 25 | |
| Kristina Pilgaard Jacobsen | PhD student | DTU Health Tech | | |
| Morten Jacobsen | Teknisk inspektør | Housing | | |
| Andreas Jacobsen | Videnskabelig assistent | DTU Electro | | |
| Christian Peder Jacobsen | PhD Student | DTU Bioengineering | | |
| Elvira Caroline Jarmbæk Jacobsen | Videnskabelig assistent | DTU Wind | | |
| Nis Sand Jacobsen | Senior Researcher | DTU Aqua | | |
| Albert Kjøller Jacobsen | Research Assistant | DTU Compute | | |
| Nina Nørgaard Jacobsen | Residential Industry Fellow | DTU Entrepreneurship | +45 42 64 58 51 | |
| Mathieu Jacomy | Ekstern lektor | DTU Management | | |
| Paul Jacottin | Postdoc | DTU Biosustain | | |
| Yohan Jacquet | Postdoc | DTU Construct | | |
| Sina Jafarzadeh | Postdoc | DTU Energy | +45 50 11 70 42 | |
| Katrine Søbæk Jagd | AC-fuldmægtig | ADM4 | +45 45 25 69 93 | |
| Janusz Marcin Jagiello | Hjælpelærer | DTU Management | | |
| Robert Hansen Jagrelius | PhD Student | DTU Bioengineering | | |
| Leonie Johanna Jahn | Co-Principal Investigator of the Bacterial Synthetic Biology Section | DTU Biosustain | | |
| Nitin Jain | Special Consultant | DTU Physics | | |
| Mayank Jain | Professor, Head of Section | DTU Physics | +45 46 77 49 09 | |
| Deepak Jain | Project Manager | DTU National Food Institute | | |
| Manjari Jain | Postdoc | DTU Physics | | |
| Gaurava Kumar Jaisawal | Senior Researcher | DTU Space | | |
| Dániel Jakab | Student Assistant | DTU Health Tech | | |
| Eva Jakljevic | PhD Student | DTU Health Tech | | |
| Søren Jakobsen | Guest | DTU Health Tech | | |
| Mogens Havsteen Jakobsen | Emeritus | DTU Chemistry | +45 51 80 14 82 | |
| Jette Jakobsen | Senior Researcher | DTU National Food Institute | +45 20 25 91 92 | |
| Michael Linde Jakobsen | Senior Researcher | DTU Electro | +45 46 77 45 56 | |
| Lea Sletting Jakobsen | Senior Researcher | DTU National Food Institute | +45 35 88 71 30 | |
| Rikke Byrsting Jakobsen | HR Course Coordinator | ADM3 | +45 93 51 16 09 | |
| Marianne Uhre Jakobsen | Associate Professor | DTU National Food Institute | +45 35 88 75 95 | |
| Per Munch Jakobsen | Head of Laboratories | DTU Wind | +45 46 77 49 85 | |
| Maiken Camilla Jakobsen | Hjælpelærer | DTU Wind | | |
| Ulrika Woulhøj Jakobsen | Student Assistant | ADM4 | | |
| Anne Sofie Jakobsen | Assistent | DTU Wind | | |
| Benjamin Starostka Jakobsen | Compute Coordinator | DTU Compute | | |
| Rannvá Kildegaard Jakobsen | Hjælpelærer | DTU Engineering Technology | | |
| Anton Jakobsen | Hjælpelærer | DTU Engineering Technology | | |
| Rasmus Resøe Jakobsen | Specialkonsulent | ADM4 | +45 45 25 01 75 | |
| Grzegorz Adam Jakubiak | Hjælpelærer | DTU Bioengineering | | |
| Grzegorz Adam Jakubiak | Hjælpelærer | DTU Management | | |
| Martina Jakubowska | PhD Student | DTU Construct | | |
| Mahsa Jalili | Postdoc | DTU National Food Institute | | |
| Ali Omar Jalkama | Hjælpelærer | DTU Bioengineering | | |
| Teunis Jansen | Professor | DTU Aqua | +45 21 31 49 97 | |
| Henri Jansen | Professor | DTU Nanolab | +45 93 51 19 45 | |
| Tom Pieter Anton Jansen | PhD Student | DTU Bioengineering | | |
| Celia Jansen | PhD Student | DTU National Food Institute | | |
| Luc Franciscus Martinus Jansen | Research Assistant | DTU Biosustain | | |
| Thies Jansen | Postdoc | DTU Energy | | |
| Luc Franciscus Martinus Jansen | Ph.d.-studerende | DTU Compute | | |
| 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 | |
| Scott Alexander Jarmusch | Assistant Professor | DTU Bioengineering | +45 45 25 25 70 | |
| Maria Jarnum | Research Technician | DTU Aqua | +45 61 33 73 41 | |
| Christoffer Møller Jarolics | IT Consultant | CAS | | |
| Cornelia Jaspers | Senior Researcher | DTU Aqua | +45 35 88 32 47 | |
| Jan Jastrzebski | Akademisk medarbejder | DTU Wind | | |
| Liselotte Jauffred | Associate Professor | DTU Bioengineering | | |
| Kimia Yousefi Javan | Postdoc | DTU Energy | | |
| Sidharth Jayachandran | Postdoc | DTU Biosustain | +45 50 34 33 28 | |
| Dhivakaran Jayakumar | Research Assistant | DTU Construct | | |
| Ashwini S Palliparambil Jayakumar | PhD Student | DTU Electro | | |
| Nithiyashri Jayashankar | PhD Student | DTU Health Tech | +45-50201786 | |
| Dylan Jayatilaka | Postdoc | DTU Energy | +45 93 51 35 22 | |
| Omofolasewa Hillary Jayeola | PhD Student | DTU Chemistry | | |
| Bushra Jazrawi | Flexjobber | DTU Energy | | |
| Ole Jeding-Jansen | Business Controller | ADM5 | +45 93 51 14 63 | |
| Marius Jeding-Jansen | Studentermedhjælper | ADM5 | | |
| Marta Jedynak-Slyvka | Akademisk medarbejder | DTU Health Tech | | |
| Arne S Jegers | Research Assistant | 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 | |
| Agnete Therese Jenfort | PhD Student | DTU Chemical Engineering | | |
| Timothy Patrick Jenkins | Associate Professor | DTU Bioengineering | | |
| Barbara Jenny | PhD student | DTU Space | | |
| Adam Jenofalvi | PhD Student | DTU Biosustain | | |
| Mogens O Stibius Jensen | Emeritus | DTU Physics | +45 45 25 31 42 | |
| Søren Højgaard Jensen | Dynelectro /DTU Link | DTU Skylab | | |
| Kaare Sloth Jensen | Measureroad /DTU Link | DTU Skylab | | |
| Martin Jensen | IDE CRM tilknyttet DTU Link | DTU Skylab | | |
| Niels Bjerg Jensen | Guest Project leader | DTU Bioengineering | | |
| Jonas Haugaard Jensen | Guest student | DTU Energy | +45 51 24 82 12 | |
| Kathrine Brandsborg Jensen | Studenterrådgivning | ADM4 | +45 70 26 75 00 | |
| Peter Dørffler Ladegaard Jensen | Access Extended | DTU Construct | | |
| Lene Kirstejn Jensen | Head of Laboratory Section | DTU Sustain | +45 20 99 26 71 | |
| Jørgen Juncher Jensen | Professor Emeritus, DSc | DTU Construct | +45 45 25 13 84 | |
| Peter Arendt Jensen | Senior Researcher | DTU Chemical Engineering | +45 45 25 28 49 | |