| COHS | Chesapeake and Ohio Historical Society | 切萨皮克和俄亥俄州历史学会 |
| COHS | Cherishing Our Hearts and Souls | 珍惜我们的心和灵魂 |
| COHS | County Operated Health System | 县运营的卫生系统 |
| COHS | Cooperative Open Hypermedia System | 合作开放超媒体系统 |
| COHS | Canadian Oral Health Strategy | 加拿大口腔健康战略 |
| COHS | Cardinal O'Hara High School (Springfield, Pennsylvania) | 枢机主教·奥哈拉高中(春田、宾西法尼亚州) |