- ACDH stands for A-Chain Deficit Hypothesis (linguistics)
- ACDH stands for American Cream Draft Horse (horse breed)
- ACDH stands for Attitude Control and Data Handling (Consultative Committee for Space Data Systems)
- ACDH stands for Allen County Department of Health (Indiana)
- ACDH stands for 3-Hydroxy-Acyl-CoA (Coenzyme A)-Dehydrogenase (enzyme)
- ACDH stands for “Acquired” Congenital Diaphragmatic Hernia
ACDH