'''CDH''' may refer to:
;Organisations *CDH Investments, a Chinese asset management firm * Central DuPage Hospital, Illinois, U.S.A. * ''Centre Démocrate Humaniste'', a Belgian political party * Cloudera's Distribution including Apache Hadoop * Cretin-Derham Hall, school in St. Paul, Minnesota, U.S.A.
;Concepts * Commercial determinants of health * Computational Diffie-Hellman assumption, that a certain mathematical problem is hard
;Medical * Congenital diaphragmatic hernia
;Other * Cellobiose dehydrogenase, a plant enzyme
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