| CAH | Congenital adrenal hyperplasia | 先天性肾上原皮质增生 |
| CAH | carbonic anhydrase | 碳酸酐酶 |
| CAH | Charge Against Hunger | 对抗饥饿 |
| CAH | cyanacetic acid hydrazine | 氰乙酸肼 |
| CAH | combined atrial hypertrophy | 合并心房肥大 |
| CAH | cyanacetic acid hydracid | 氰乙酸肼 |
| CAH | Cardinal Health, Inc. | 红衣主教健康公司。 |
| CAH | Computer Aided Handling | 计算机辅助处理 |
| CAH | Cosine Adjacent Hypotenuse | 余弦邻近下纤层 |
| CAH | Center for the Advancement of Health | 健康促进中心 |
| CAH | Child and Adolescent Health and Development | 儿童和青少年健康与发展 |
| CAH | Chronic Active Hepatitis | 慢性活动性肝炎 |
| CAH | central alveolar hypoventilation | 中央肺泡通气不足 |
| CAH | Centre on Aging and Health | 老龄与健康中心 |
| CAH | Cosine of Angle X = Adjacent Side Length / Hypotenuse Side Length (Right Angled Triangle) | 角X =相邻余弦斜边长度边长度的一面。/(右直角三角形) |
| CAH | Critical Access Hospital | 关键通道医院 |
| CAH | Citizens Against Hate | 反对仇恨的公民 |
| CAH | Coalition for Animal Health | 动物健康联盟 |
| CAH | Computers and the Humanities | 计算机与人文 |
| CAH | Helicopter-Carrying Heavy Cruiser (US Navy) | 直升机搭载重型巡洋舰（美国海军） |
| CAH | Cyanide and Happiness (web comic) | 氰化物与幸福（网络漫画） |
| CAH | Cinnamic Acid Hydroxylase | 肉桂酸羟化酶 |
| CAH | Capture and Hold | 捕获并保持 |
| CAH | Cambridge Ancient History | 剑桥古代史 |
| CAH | Contact Action History | 联系人操作历史记录 |
| CAH | Campaign for Affordable Housing (Los Angeles, CA) | 经济适用住房运动（加利福尼亚州洛杉矶） |