EIK
| Acronym | Definition |
|---|---|
| EIK | Eat-In Kitchen (when describing an apartment) |
| EIK | Eap Integrity Key |
| EIK | Eisenbahn Ingenieur Kalender (German: Railway Engineering Calendar; professional yearbook; Germany) |
| EIK | Elektronische Informationsverarbeitung und Kybernetik |
| EIK | Extended Interaction Klystron |
| EIK | Esbjerg Ishockey Klub (Danish: Esbjerg Ice Hockey Club; Denmark) |
| EIK | Engineering Science Tape Recorder Improvement Kit |