| Abbreviation | Definition |
|---|---|
| HBL | Habbo Baseball League |
| HBOB | Hanging Body Opponent Bag |
| HBP | Hit By Pitch |
| HC | Head Coach |
| HCA | Hill Climb Assist |
| HCBP | Hard Court Bicycle Polo |
| HCEM | Hike Canada En Marche |
| HCG | Hard Core Gamer |
| HCP | Honneur Count Points |
| HCW | Havoc Championship Wrestling |
| HDD | Hits Daily Double |
| HDG | Hold Down Guy |
| HDS | Historical Diving Society |
| HDW | Heat Declared Winner |
| HEAT | High Energy Athletic Training |
| HEAT | Home Educated Athletic Team |
| HEL | HungryApp Esports League |
| HEN | Royal Canadian HENley Rowing Course |
| HEP | Hockey Education Program |
| HEP | Home Exercise Program |