HKW
| Acronym | Definition |
|---|---|
| HKW | Helen Keller Worldwide |
| HKW | Hammond, Kennedy, Whitney & Company, Inc. (est. 1903; New York, Indianapolis, and Chicago) |
| HKW | White Hake (FAO fish species code) |
| HKW | Holy Knights of Westmarch (online gaming group) |
| HKW | Heemkundige Kring Walcheren (Dutch: Local History Society Walcheren; Walcheren, Zeeland, Netherlands) |