| Biao Li | Postdoc | DTU Sustain | |  |
| Qingfeng Li | Professor | DTU Energy | +45 45 25 23 18 | |
| Qianliang Li | Postdoc | DTU Compute | | |
| Dayang Li | Postdoc | DTU Electro | | |
| Ziqiao (John) Li | Research Assistant | DTU Health Tech | | |
| Ziyou Li | Postdoc | DTU Chemical Engineering | | |
| Ang Li | Researcher | DTU Wind | | |
| Dongshuai Li | Senior Researcher | DTU Space | | |
| Joie Li | Academic assistant | DTU Compute | | |
| Zhenkun Li | Postdoc | DTU Wind | | |
| Bowen Li | Postdoc | DTU Energy | +45 91 85 44 85 | |
| Qi Li | Postdoc | DTU Chemical Engineering | | |
| Na Li | Postdoc | DTU Energy | +45 31 96 49 02 | |
| Danya Li | PhD Student | DTU Management | | |
| Linna Li | PhD Student | DTU Electro | | |
| Jason Li-Ying | Professor, Head of Research | DTU Entrepreneurship | +45 45 25 48 56 | |
| Jingkang Liang | PhD Student | DTU Chemical Engineering | | |
| Xiaodong Liang | Associate Professor | DTU Chemical Engineering | +45 45 25 28 77 | |
| Andrea Laguna Liang | Student Assistant | DTU National Food Institute | | |
| Jimmy Liang | Master Student | DTU National Food Institute | | |
| Chen-Hsin (Tony) Liao | Postdoc | DTU Health Tech | | |
| Yen-Jen Liao | PhD Student | DTU Sustain | | |
| Ditte Hørling Liboriussen | Laboratory Technician | DTU Aqua | | |
| Michele Libralato | Postdoc | DTU Energy | | |
| Tine Rask Licht | Director of Institute, Professor | DTU National Food Institute | +45 35 88 71 86 | |
| Julie de Fine Licht | Student Assistant | DTU Bioengineering | | |
| Henrik Hjarvard de Fine Licht | Associate Professor | DTU Bioengineering | | |
| Clara Mondrup de Lichtenberg | Student Assistant | DTU Chemistry | | |
| Clara Mondrup de Lichtenberg | Project student | DTU Chemistry | | |
| Henrik Liebach | Head of Administration | CAS | +45 93 51 35 35 | |
| Oliver Liebe | PhD student | DTU Energy | +45 93 59 68 08 | |
| Carlos Fernández de Heredia Liger | Research Assistant | DTU Wind | | |
| Lucía Fajardo Ligero | Research Assistant | DTU Wind | | |
| Søren Liin | Nautical Superintendent - DPA/CSO | DTU Aqua | +45 22 44 59 55 | |
| Hans Lilholt | Emeritus | DTU Wind | +45 46 77 57 07 | |
| Bjarke Emil Liljenbøl-Borde | Akademisk medarbejder | DTU Chemical Engineering | | |
| Lene Lillebro | Chefkonsulent | DTU Chemistry | +45 93 51 13 94 | |
| Philip Pirmo Lillelund | Academic employee | DTU Space | | |
| Dorthe Foss Lillelund | Office clerk / Study secretary | DTU Health Tech | +45 45 25 58 58 | |
| Pilleriin Sara Lillemets | PhD Student | DTU Compute | | |
| Allan Lilleøre | Able Seaman | DTU Aqua | | |
| Klaus Liltorp | Laboratory Technician | DTU Construct | +45 93 51 14 35 | |
| Yee Ying Lim | PhD Student | DTU Bioengineering | | |
| Ana Teresa Lima | Senior Researcher | DTU Sustain | +45 45 25 18 93 | |
| Mayara Sarisariyama Siverio Lima | Postdoc | DTU Sustain | | |
| Ting Lin | Postdoc | DTU Wind | +45 93 51 14 48 | |
| Marie Karen Tracy Hong Lin | Characterization Specialist | DTU Nanolab | +45 45 25 64 73 | |
| Wenwei Lin | Postdoc | DTU Electro | | |
| Lisette Treu Lind | Project Controller | ADM5 | | |
| Johan Ulrik Lind | Group Leader, Associate Professor | DTU Health Tech | | |
| Morten Lind | Professor Emeritus, Senior Researcher | DTU Electro | +45 45 25 35 66 | |
| Andrea Clausen Lind | Postdoc | DTU Bioengineering | | |
| Uffe William Lind | Student Assistant | DTU Chemistry | | |
| Vickie Moberg Lind | People Operation Consultant | ADM3 | | |
| Søren Oemann Lind | Chief Engineer | DTU Wind | +45 93 51 13 76 | |
| Michael Lindaa | Technician | DTU Chemical Engineering | +45 45 25 29 00 | |
| Johnny Skallerup Lindahl | Business Controller | ADM5 | +45 51 71 77 82 | |
| Jacob Tobias Lindberg | Hjælpelærer | DTU Adgangskursus | | |
| Sander Jæger Linde | Student Assistant | DTU Physics | | |
| Cilie Lindeberg | Academic Officer | DTU Bioengineering | | |
| Lene Aagaard Lindebjerg | Head of Administration | DTU Aqua | +45 61 61 39 98 | |
| Martin Olof Lindegren | Professor | DTU Aqua | +45 35 88 34 92 | |
| Gwendolina Noëlia van der Linden | Research Assistant | DTU Sustain | | |
| Michael Linden-Vørnle | Astrophysicist and Chief Adviser | DTU Space | +45 45 25 97 61 | |
| Anne Cathrine Linder | Postdoc | DTU Aqua | | |
| Søren Linderoth | Head of Department, Professor | DTU Energy | +45 25 14 67 97 | |
| Marc Lindgaard | PhD Student | DTU Energy | +45 27 80 09 20 | |
| Flemming Lindgren | Service Staff | DTU Aqua | +45 93 51 00 96 | |
| Jan Lindgren | Service Engineer | DTU Nanolab | +45 45 25 58 16 | |
| Gustav Bo Lindhardt | Studentermedhjælper | AFRI | | |
| Jonas Lindhart | Consultant | CAS | +45 93 51 11 81 | |
| Shawn Lindner | PhD Student | DTU Chemical Engineering | +45 91 44 84 85 | |
| Sofia Lindström | Industrial PhD | DTU Chemical Engineering | | |
| Erik Lindstrøm | External lekturer | DTU Compute | | |
| Lars René Lindvold | Senior Researcher | DTU Electro | +45 45 25 36 59 | |
| Meilee Ling | Assistant Professor (Tenure Track) | DTU Bioengineering | | |
| Moritz Niklas Link | Postdoc | DTU Chemical Engineering | | |
| Katrine Denning Linke | Senior Officer | DTU Chemistry | +45 93 51 14 83 | |
| Sara Linnebjerg | Information specialist | AFRI | +45 93 51 08 52 | |
| Oliver Linnet | Hjælpelærer | DTU Health Tech | | |
| Marina Yovkova Linova | Researcher (Tenure Track) | DTU Chemical Engineering | | |
| Alan Wai Hou Lio | Associate Professor | DTU Wind | +45 93 51 35 50 | |
| Benjamin Lipp | Adjunkt (tenure track) | DTU Management | +45 36 20 34 11 | |
| Jesper John Lisegaard | PhD Student | DTU Construct | | |
| Mateusz Lisewski | Studentermedhjælper | DTU Engineering Technology | | |
| Fabrizio Lisi | Guest PhD student | DTU Energy | | |
| Zhenghao Liu | Postdoc | DTU Physics | | |
| Ruyu Liu | Postdoc | DTU Management | +45 45 25 63 02 | |
| Baihan Liu | Bachelor | DTU Wind | | |
| Tao Liu | Postdoc | DTU Sustain | | |
| Yuwen Liu | Postdoc | DTU Chemistry | | |
| Tao Liu | Research Assistant | DTU Space | | |
| Yang Liu | PhD student | DTU Electro | +45 45 25 65 67 | |
| Chao Liu | Postdoc | DTU Wind | +45 50 16 44 12 | |
| Xiufeng Liu | Senior Researcher | DTU Management | +45 93 51 13 39 | |
| Xujing Liu | Postdoc | DTU Electro | | |
| Haotian Liu | PhD Student | DTU Electro | | |
| Yangling Liu | Research Assistant | DTU Health Tech | | |
| Lijie Liu | Postdoc | DTU Space | | |
| Xianhao Liu | Industrial PhD | DTU Compute | | |