| Abbreviation | Definition |
|---|---|
| HAS | HCO Area Secretary |
| HATE | Horrible Angry Terrible Evil |
| HAVEN | Heart, Acceptance, Validation, Equality, and Nurturing |
| HB | Hell Bound |
| HB | Helvetisches Bekenntnis |
| HB | Holy Bible |
| HBA | Harvest Broadcasting Association |
| HBBC | Hayes Barton Baptist Church |
| HBBI | Harvest Baptist Bible Institute |
| HBC | Hebron Baptist Church |
| HBC | Hope Baptist Church |
| HBCC | Heart of the Bay Christian Center |
| HBCS | Highland Baptist Christian School |
| HBS | Home Bible Studies |
| HBT | Holy Bible Trivia |
| HBU | Houston Baptist |
| HC | Holy Communion |
| HC | House Church |
| HCCS | Holmes Chapel Comprehensive School |
| HCCS | Holy Cross Catholic School |