CDH may refer to:

1. Organisations

2. CDH Investments, a Chinese asset management firm

3. Central DuPage Hospital, Illinois, U.S.A.

4. Centre Démocrate Humaniste, a Belgian political party

5. Cloudera's Distribution including Apache Hadoop

6. Cretin-Derham Hall, school in St. Paul, Minnesota, U.S.A.

7. Concepts

8. Commercial determinants of health

9. Computational Diffie-Hellman assumption, that a certain mathematical problem is hard

10. Medical

11. Congenital diaphragmatic hernia

12. Other

13. Cellobiose dehydrogenase, a plant enzyme