| Abbreviation | Definition |
|---|---|
| HCHG | Hidden Church of the Holy Grail |
| HCLC | Hales Corners Lutheran Church |
| HCOC | Heritage of the Coptic Orthodox Church |
| HCOL | Honolulu Church of Light |
| HCPC | Heights Cumberland Presbyterian Church |
| HCPT | Historic Churches Preservation Trust |
| HCWO | His Church World Outreach |
| HDC | High Desert Church |
| HDCC | Hazel Dell Christian Church |
| HDTC | Hornchurch D T Corps |
| HDTC | Hornchurch Drum Trumpet Corps |
| HELL | Having Everything Lacking Love |
| HFBC | Hampton First Baptist Church |
| HFEC | Holy Family Episcopal Church |
| HGC | Healthy Growing Churches |
| HGGC | House of Glory Global Church |
| HHBC | Hacienda Heights Baptist Church |
| HHBC | Hampton Heights Baptist Church |
| HHBC | Harpeth Heights Baptist Church |
| HHBC | Haywards Heath Baptist Church |