Ich
- Cryptocaryon
- German pronoun
- I/O Controller Hub
- ICK (disambiguation)
- Ich (album)
- Ich, Semnan
- Ich, Zanjan
- Ichthyophthirius multifiliis
- Id, ego and super-ego
- Ij, Zanjan
- Indian Coffee House
- Infectious canine hepatitis
- Intangible cultural heritage
- Interagency Council on Homelessness
- International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use
- Intracerebral hemorrhage
- Intracranial hemorrhage
- Itch (disambiguation)
- UCL Institute of Child Health