| Abbreviation | Definition |
|---|---|
| HWC | Hawkeye Wrestling Club |
| HWCC | Hawthorn Woods Country Club |
| HWCC | High Wycombe Cricket Club |
| HWCC | High Wycombe Cycle Club |
| HWCC | High Wycombe Cycling Club |
| HWCCC | Hardington and West Coker Cricket Club |
| HWFC | Heidelberg West Football Club |
| HWGC | Hadley Wood Golf Club |
| HWGC | Hamilton Wenham Garden Club |
| HWGC | Hartley Wintney Golf Club |
| HWGCC | Highland Woods Golf and Country Club (Bonita Springs, FL) |
| HWRC | Happy Wallabies Running Club |
| HWSC | Havant and Waterlooville Swimming Club |
| HWSC | Holland Western Saddle Club |
| HWSC | Hunterdon Walking and Social Club |
| HWTC | Hartley Wintney Tennis Club |
| HYC | Halloween Yacht Club |
| HYC | Hampton Yacht Club |
| HYC | Harlem Yacht Club |
| HYC | Harraseeket Yacht Club |