| HHC | Hammer Head Crane 
| Others |
| HHC | Hand Held Computer
| Others |
| HHC | Hand Held Console
| Others |
| HHC | Hand to Hand Combat
| Others |
| HHC | Happy HardCore
| Others |
| HHC | Hardenberg Heemse Combinatie
| Others |
| HHC | Harewood Hill Climb
| Others |
| HHC | Hawaiian Homes Commission
| Others |
| HHC | Headquarters and Headquarters Company
| Others |
| HHC | Headquarters and Headquaters Company
| Others |
| HHC | Headquarters Headquarters Company
| Others |
| HHC | Health and Hospital Corporation
| Others |
| HHC | Health and Hospitals Corporation
| Others |
| HHC | Healthy Herbal Care
| Others |
| HHC | Heartland Health Centers
| Others |
| HHC | Heartspring Hearing Center
| Others |
| HHC | Hella Handmade Creations
| Others |
| HHC | Hellenic Honda Club
| Others |
| HHC | Helvetica Health Care
| Others |
| HHC | Hendrick Heritage Center
| Others |
| HHC | Higher Harmonic Control
| Others |
| HHC | Higher hydrocarbons
| Others |
| HHC | Highly Hazardous Chemicals
| Others |
| HHC | Hill Hold Control
| Others |
| HHC | Hip Hop Connection
| Others |
| HHC | Historical Heritage Commission
| Others |
| HHC | Hitler's Henchmen Clan
| Others |
| HHC | Hold Harmless Clause
| Others |
| HHC | Holiday Hack Challenge
| Others |
| HHC | Holistic Health Counselor
| Others |
| HHC | Hollow Hard Core
| Others |
| HHC | Holocaust and Humanity Center
| Others |
| HHC | Home Health Care
| Others |
| HHC | Homework Help Centers
| Others |
| HHC | Honda Heritage Center
| Others |
| HHC | Hoosier Hikers Council
| Others |
| HHC | Hooters Hat Chick
| Others |
| HHC | Hospital and Health Center
| Others |
| HHC | Hospital Headpiece Carrier
| Others |
| HHC | Hot and Humid Conditions
| Others |
| HHC | Housing for a Healthy California
| Others |
| HHC | Houston Honda Club
| Others |
| HHC | Howard Hughes Corporation
| Others |
| HHC | HP Handheld Conference
| Others |
| HHC | HQ and HQ Company
| Others |
| HHC | Html Help Activex Control
| Others |
| HHC | Html Help Contents
| Others |
| HHC | Html Help Equivalent
| Others |
| HHC | Human Health Carcinogen
| Others |
| HHC | Human Health Care
| Others |
| HHC | Hutton Honors College
| Others |
| HHC | Hybrid Health Check
| Others |