| Acronym | Definition |
|---|
| COHC➣Citic Offshore Helicopter Co., Ltd. (China) |
| COHC➣Certified Occupational Hearing Conservationist |
| COHC➣Chemistry of Heterocyclic Compounds (journal) |
| COHC➣Cost of Health Care |
| COHC➣Central Ohio Heritage Circle |
| COHC➣City of Oxford Hockey Club |