| Term | Full Form | Category |
|---|---|---|
| IWK | I Wanna Kiss | Others |
| IWK | I Was Kidding | Others |
| IWK | Ian W King | Others |
| IWK | Iceland With Kids | Others |
| IWK | Ignition With Key | Others |
| IWK | Indah Water Konsortium | Others |
| IWK | Indigenous Weather Knowledge | Others |
| IWK | InformationWeeK | Others |
| IWK | Innovative Worldwide Know | Others |
| IWK | International Women of Kokomo | Others |
| IWK | Internationale Wissenschaftliche Korrespondenz | Others |
| IWK | Izaak Walton Killam | Others |
| IWK | Izaak Walton Killam hospital for children | Others |