| Svend K. Olsen | Teknisk specialist | DTU Sustain | |  |
| Jógvan Magnus Haugaard Olsen | Lektor | DTU Kemi | 45 25 20 02 | |
| Atli Olsen | Industriteknikker | DTU Kemi | 21 79 91 84 | |
| Viktor Emil Olsen | Ingeniørassistent | DTU Fysik | | |
| Stig Irving Olsen | Lektor | DTU Sustain | 45 25 46 68 | |
| Emil Hovgaard Wrona Olsen | Studentermedhjælper | DTU Fødevareinstituttet | | |
| Casper Nøhr Olsen | Udvikler | IT Service | | |
| Ib Steen Olsen | Emeritus | DTU Construct | | |
| Jens Frederik Olsen | Chefkonsulent | AFRI | 93 51 02 55 | |
| Jytte Olsen | Servicemedarbejder | DTU Bioengineering | | |
| Hervør Lykke Olsen | Business and Community Developer | DTU Skylab | | |
| Emil Vang Olsen | Videnskabelig assistent | DTU Sustain | | |
| Tim Felle Olsen | Postdoc | DTU Construct | | |
| Peter Olsen | Teamleder | IT Service | 22 11 23 26 | |
| Jan Kent Olsen | Mechanical Engineer | DTU Kemiteknik | 93 51 02 91 | |
| Andreas Vang Olsen | Videnskabelig assistent | DTU Sustain | | |
| Amalie Louise Hallberg Olsen | Studentermedhjælper | DTU Bioengineering | | |
| Inge Holkmann Olsen | Administrationschef | DTU Kemi | 93 51 17 14 | |
| Mikki Andrup Olsen | IT-supporter | IT Service | | |
| Thomas Jersild Olsen | Bachelor | DTU Space | | |
| Rikke Levin Rytter Olsen | Business Relationship Manager | IT Service | 51 59 30 94 | |
| Ulrik Lund Olsen | Senior Forskningsingeniør | DTU Fysik | 24 65 51 69 | |
| Gerritdina Marieke Olsman | Ph.d.-studerende | DTU Sundhedsteknologi | | |
| Mikael Emil Olsson | Analysekemiker | DTU Sustain | 30 56 98 94 | |
| Emil Lidman Olsson | Postdoc | DTU Kemiteknik | | |
| Torben Olsson | Maskinchef | DTU Aqua | 91 37 00 83 | |
| Peter Olsson | Medhjælper | DTU Space | | |
| Dags Olsteins | Postdoc | DTU Energi | 91 69 69 43 | |
| Henrik Høyer Olufsen | Certificeret .NET MVC Udvikler | IT Service | | |
| Oluwadabobomi Grace Oluwadabobomi Grace Davies | Ph.d.-studerende | DTU Kemiteknik | +393513726848 | |
| Kuba Oniszk | Ph.d.-studerende | DTU Space | | |
| Carina Onofrei | Hjælpelærer | DTU Management | | |
| Mía López Portillo Ontiveros | Part time student assistant | DTU Biosustain | | |
| Joshua Onyango | Ph.d.-studerende | DTU Kemiteknik | | |
| Robin van Oorschot | Teaching Associate Professor | DTU Entrepreneurship | 45 25 44 16 | |
| Caroline van Oosterhout | Koordinator | DTU Sundhedsteknologi | 45 25 39 50 | |
| Aïda Jiménez Ordoñez | Bachelor | DTU Compute | | |
| Frederik Orellana | Forsknings-infrastruktur-arkitekt | IT Service | | |
| Lucas Orellana | Studentermedhjælper | APR | | |
| Charalampos Orfanidis | Adjunkt | DTU Compute | 45 25 30 56 | |
| Jeppe Ormstrup | Ekstern lektor | DTU Construct | | |
| Patricia Elizabeth Arias Orozco | Postdoc | DTU Bioengineering | 93 84 51 88 | |
| Enrico Orsi | Postdoc | DTU Biosustain | | |
| Jean Victor Orth | Fermentation Engineer | DTU Biosustain | | |
| Aina Sendra Ortiz | Research Assistant | DTU Biosustain | | |
| Casper Osborg | Gartner | CAS | 45 25 13 44 | |
| Anna Osetrova | Praktikant | AUS | | |
| Yumer Erol Osman | Hjælpelærer | DTU Engineering Technology | | |
| Mona Lykke von Osmanski | Specialkonsulent | AUS | 22 21 98 91 | |
| Sofie Pflug von der Osten | AC-fuldmægtig | IT Service | | |
| David Ari Ostenfeldt | Studentermedhjælper | AUS | | |
| David Ari Ostenfeldt | Hjælpelærer | DTU Management | | |
| Alberte Roed Ostermann | Studentermedhjælper | AFRI | | |
| Eva Ostlind | Hjælpelærer | DTU Wind | | |
| Anu Dinesh Oswal | Videnskabelig assistent | DTU Biosustain | | |
| Felipe Mejia Otalvaro | PhD Student | DTU Biosustain | | |
| Saria Otani | Lektor | DTU Fødevareinstituttet | | |
| Magdalena Maria Otap | Projektleder | CAS | 93 59 68 37 | |
| Gerald Innocent Otim | Ph.d.-studerende | DTU Sustain | | |
| Søren Ott | Seniorforsker | DTU Wind | 46 77 50 13 | |
| Peter Conrad Ottesen | Innovation Partner | DTU Skylab | 93 51 19 47 | |
| Frederik Ottesen | Gartner | CAS | 40 60 47 54 | |
| Noora Annika Ottman | Centerkoordinator | DTU Fødevareinstituttet | 22 75 59 23 | |
| Daniel Jordan Otto | Ph.d.-studerende | DTU Bioengineering | | |
| Cecilie Fisker Ottosen | Adjunkt | DTU Sustain | 45 25 22 57 | |
| Iver Mølgaard Ottosen | Lektor | DTU Engineering Technology | 93 51 06 57 | |
| Lisbeth M. Ottosen | Professor, sektionsleder for Materialer og Holdbarhed | DTU Sustain | 45 25 22 60 | |
| Yiyu Ou | Lektor | DTU Electro | 45 25 66 37 | |
| Haiyan Ou | Gruppeleder, Lektor | DTU Electro | 45 25 63 80 | |
| Zalikha Ousou | Hjælpelærer | DTU Management | | |
| Micky Out | Projektkoordinator | DTU Space | 93 51 09 81 | |
| Qian Ouyang | Ingeniør | DTU Kemiteknik | | |
| Ziwei Ouyang | Lektor | DTU Electro | 45 25 57 64 | |
| Thit Rosenlund Ovens | Studentermedhjælper | DTU Sustain | | |
| Max Daniel Overath | Ph.d.-studerende | DTU Bioengineering | | |
| Emil Andranik Overbeck | IT-supporter | DTU Compute | | |
| Tenna Overby | Chefkonsulent | AFRI | 61 39 62 77 | |
| Morten Overgaard | Kontorchef | AUS | 45 25 98 50 | |
| Tobias Overgaard | Erhvervs-ph.d. | DTU Compute | | |
| Lukas Markus Overgaard | Fuldmægtig | AFRI | 22 89 35 10 | |
| Ida Emilie Kryger Overgaard | Studentermedhjælper | AFRI | | |
| Martin Ovesen | Ph.d.-studerende | DTU Fysik | | |
| Selina Ringsborg Howalt Owe | Postdoc | DTU Space | | |
| Mikolaj Owsianiak | Seniorforsker | DTU Sustain | 45 25 48 05 | |
| Carol Anne Oxborrow | Viceafdelingsleder for astrofysik og atmosfærefysik | DTU Space | | |
| Leif Katsuo Oxenløwe | Gruppeleder, Professor | DTU Electro | 45 25 37 84 | |
| Julie Katrine Oxenvad | Sekretariatsleder | DTU Bioengineering | 45 25 26 42 | |
| Liliya Oxtorp | Lektor | DTU Engineering Technology | | |
| Christian Schou Oxvig | Specialkonsulent | IT Service | 93 51 05 60 | |
| Christian Schou Oxvig | Specialkonsulent | AØR | | |
| Hazal Ozcan | Udviklingsingeniør | DTU Wind | 93 51 13 38 | |
| Emre Ozdemir | Head of Computational Design and Analytics | DTU Biosustain | 93 51 11 69 | |
| Roberts Ozols | Laboratorieassistent | DTU Bioengineering | | |
| Niall Timothy O’Neill | Ph.d.-studerende | DTU Wind | | |
| Amaury LE PERSON | Hjælpelærer | DTU Wind | | |
| Mia Due Paarup | Hjælpelærer | DTU Management | | |
| Philipp Pably | Ph.d.-studerende | DTU Kemiteknik | | |
| Helen Alina Pabst | Ph.d.-studerende | DTU Wind | | |
| Paulo Anastácio Furtado Pacheco | Postdoc | DTU Kemi | 53 80 75 30 | |
| Elena Pachkova | Centre Director | DTU Offshore | 93 51 14 64 | |