| Samuli Siltanen | Adjungeret professor | DTU Compute | |  |
| Nikolaj Bjerregaard Sillassen | Studentermedhjælper | DTU Compute | |  |
| Harald Silau | Ph.d.-studerende | DTU Kemiteknik | |  |
| Oliver Wischmann Siig | Ph.d.-studerende | DTU Fysik | |  |
| Nina Marie Sigvardsen | Ph.d.-studerende | DTU Byg | 45 25 17 57 |  |
| Nökkvi Steinn Sigurdarson | Erhvervs-ph.d. | DTU Mekanik | |  |
| Sigyn Björk Sigurdardóttir | Postdoc | DTU Kemiteknik | 42 22 69 63 |  |
| Kristoffer Vandrup Sigsgaard | Ph.d.-studerende | DTU Mekanik | 45 25 62 28 |  |
| Renata Sigrist | Postdoc | DTU Biosustain | |  |
| Ole Sigmund | Professor | DTU Mekanik | 45 25 42 56 |  |