| CAH | Cabin Attendant Handset
| Others |
| CAH | Calcium hardness
| Others |
| CAH | Canadian Automotive Historians
| Others |
| CAH | Capture And Hold
| Others |
| CAH | Cards Against Humanity
| Others |
| CAH | Care At Home
| Others |
| CAH | Chongqing Changhua Automobile Harness
| Others |
| CAH | Chronic Active Hepatitis
| Others |
| CAH | Chronic Alveolar Hypoventilation
| Others |
| CAH | Chronic Autoimmune Hepatitis
| Others |
| CAH | Club Astra H
| Others |
| CAH | Cold Air Horn
| Others |
| CAH | Command Auditory Hallucination
| Others |
| CAH | Complex Atypical Hyperplasia
| Others |
| CAH | Computer Aided Handling
| Others |
| CAH | Computer Aided Historiography
| Others |
| CAH | Computer Aided Homework
| Others |
| CAH | Computer Aided Humor
| Others |
| CAH | Congenital Adrenal Hyperplasia
| Others |
| CAH | Conspiracy Against Hogwarts
| Others |
| CAH | Controlled Access Highways
| Others |
| CAH | Cos Adjacent Hypotnuse
| Others |
| CAH | Cosine = Adjacent/Hypotenuse
| Others |
| CAH | Cosine Adjacent Hypotenuse
| Others |
| CAH | Critical Access Hospital
| Others |
| CAH | Critical Access Hospitals
| Others |
| CAH | Cyanacetic Hydrazide
| Others |