DPH

DPH may refer to:

Arts

 * Designated hitter in baseball ("designated pinch hitter")
 * Digital planar holography

Government and law

 * Georgia Department of Public Health
 * Los Angeles County Department of Public Health
 * Daň z přidané hodnoty, the Value Added Tax in the Czech Republic
 * Daň z pridanej hodnoty, the Value Added Tax in Slovakia

Health and medicine

 * Diphenylhydantoin, commonly used antiepileptic; see Phenytoin
 * Diphenhydramine, a first generation antihistamine mainly used to treat allergies
 * Doctor of Public Health

Science and engineering

 * Diamond Pyramid Hardness; see Vickers hardness test
 * Daytime parahypnagogia
 * Diphenylhexatriene, a fluorescent hydrocarbon used in the study of cell membranes.
 * Discrete phase-type distribution in Markov chain theory
 * Days post hatching, age after exiting an egg