DHH may refer to:
Science and technology
Desert hedgehog (protein), a protein encoded by the Dhh gene DHH phosphatase family, a family of putative phosphoesterases
Other uses Barkol Dahe Airport (IATA: DHH) in Xinjiang, China Desi hip-hop, a subgenre of hip hop music Dhh, a 2017 Indian children's film David Heinemeier Hansson, Danish computer programmer Louisiana Department of Health and Hospitals, former name of Louisiana Department of Health, US