| Abbreviation | Definition |
|---|---|
| HRBC | Heatherdale Recreation and Bowls Club |
| HRCB | Hijet Racing Club Bandung |
| HRCC | Hampton Roads Chess Club |
| HRCCC | Hamilton Radio Control Car Club |
| HRCF | Historic Rally Club Finland |
| HRCN | Honda Riders Club of Norway |
| HRDC | Harvard Radcliffe Dramatic Club |
| HRDC | Historic Racing Drivers Club |
| HRFC | Hampton Rovers Football Club |
| HRFC | Harvard Rugby Football Club |
| HRGC | Helford River Gig Club |
| HRGC | Highlands Ranch Golf Club |
| HRKC | Hampton Roads Kart Club (Yorktown, VA) |
| HRKC | Hampton Roads Kendo Club (martial arts; Newport News, VA) |
| HRKC | Harvard-Radcliffe Kendo Club (Cambridge, MA) |
| HRMC | Human Resources Management Club |
| HSBS | Hunt Staff Benefit Society |
| HSC | Home and School Club |
| HSFC | Halifax Sport Fishing Club |
| HSRC | Hemel Ski Race Club |