IWK
IWK may refer to:
- International map of the world, an international processed and standardized cartography at a scale of 1:1,000,000
- Industrial plants Karlsruhe, now Oystar IWK, a manufacturer of packaging machines
- The journal International scientific correspondence on the history of the German workers' movement
- The Institute for Science and Art, an Austrian research institute in Vienna
- Disambiguation
- Abbreviation