DDH

DDH may refer to:

• 1,3-Dibromo-5,5-dimethylhydantoin, a chemical also abbreviated as DBDMH
• Ddh (trigraph), a trigraph used in the Dene Suline language for the dental affricate /tθ/
• De Danske Husmoderforeninger, Danish women's organization
• Decisional Diffie–Hellman assumption
• Department of Digital Humanities, at King's College London (formerly Centre for Computing in the Humanities)
• Developmental Dysplasia of the Hip, see Hip dysplasia (human)
• Devonshire Dock Hall, the BAE Systems assembly facility
• Disciples Divinity House, Christian seminary of the University of Chicago
• DDH is hull classification symbol for helicopter carrier or helicopter destroyer

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