IGK
| Acronym | Definition |
|---|---|
| IGK | Instituto Guga Kuerten (Portuguese; Brazilian humanitarian organization) |
| IGK | Islamische Gemeinde Kiel (German: Kiel Islamic Community; Kiel, Germany) |
| IGK | Ideh Gostar Kaveh (Persian; Iranian industrial equipment company) |
| IGK | Image Guided Technologies, Inc. (former stock symbol; now delisted) |
| IGK | International Goju Karatedo |