| Abbreviation | Definition |
|---|---|
| HACI | Honda Automotive Club Indonesia |
| HANC | Heart of America Newfoundland Club |
| HAPC | Hanover Area PROBUS Club |
| HARC | Heritage Arabian Racing Club |
| HARC | Houston Athletic Rugby Club |
| HARC | Husky Amateur Radio Club |
| HATC | High Altitude Triathlon Club |
| HAVC | Harnett Area Volleyball Club |
| HAVC | High Altitude Volleyball Club |
| HBAC | Haslemere Border Athletic Club |
| HBAC | Haslemere Border Athletics Club |
| HBC | Huntington Boys Club |
| HBCB | Hand Ball Club Barpais |
| HBCB | Hungary Business Club Brussels |
| HBCC | Halton British Canadian Club |
| HBCC | Hawkes Bay Car Club |
| HBCC | Headwaters British Car Club |
| HBFC | Herne Bay Football Club |
| HBMRC | HOBSON'S BAY Model Railway Club |
| HBOC | Hunter Bird Observers Club |