| Informationssystem | information system |
| Geoinformationssystem | geographic information system |
| Informationskrieg | information warfare |
| Navigationssystem | satellite navigation system GPS |
| Informationen | lowdown |
| Informationseinheit | information unit |
| Informationsaustausch | communication |
| Informationseinheiten | data |
| Information | information |
| Informationstechnik | information technology |
| Informationstheorie | information theory |
| formales System | formal system |
| Reformationstag | Reformation Day |
| Inertialsystem | inertial reference frame |
| Informationsicherheit | information security |
| Informatiker | computer scientist IT specialist |
| informatorisch | informational |
| Integrationstest | integration testing |
| Notensystem | stave |
| Informant | ear informant |