KKW
| Acronym | Definition |
|---|---|
| KKW | Kernkraftwerk (German: Nuclear Plant) |
| KKW | Kombinationskraftwagen (German: vehicle, combination passenger car or truck) |
| KKW | Kennebunk, Kennebunkport & Wells Water District (Kennebunk, ME) |
| KKW | Krajowa Komisja Wykonawcza (Polish: National Executive Committee) |
| KKW | Keira Knightley Wavefront (fansite) |
| KKW | Klein Kaliber Wehrsportgewehr (German: Small Caliber Defense Sporting Rifle) |