| Acronym | Definition |
|---|
| CCHO➣Certified Chemical Hygiene Officer (National Registry of Certified Chemists; Washington, DC) |
| CCHO➣Climate Change and Health Office (Canada) |
| CCHO➣Council of Community Housing Organizations (San Francisco, CA) |
| CCHO➣Council of Chronic Hospitals of Ontario (Canada) |
| CCHO➣colloidal carbohydrate |
| CCHO➣Cancer Control and Health Outcomes Committee (clinical research) |
| CCHO➣Canadian Charity Hockey Organization (Ontario, Canada) |