PPH

PPH may refer to

Medicine

 * Portopulmonary hypertension
 * Postpartum hemorrhage
 * Primary pulmonary hypertension, see Pulmonary hypertension
 * Procedure for prolapse and hemorrhoids, see Stapled hemorrhoidectomy

Science

 * Pound per hour (symbol pph), mass flow unit (used in aviation to measure fuel flow, for instance)
 * Part per hundred (percentage)
 * People per hour, a measure of the rate of flow of people moving past a fixed point or through a system
 * Propylphenidate, an analogue of methylphenidate

Organisations

 * Patent Prosecution Highway, a set of cooperation agreements between some patent offices
 * Permanent private hall, a type of educational institution affiliated to the University of Oxford
 * Palomar Pomerado Health, a public health district in San Diego County, California
 * PeoplePerHour
 * Portland Press Herald, a newspaper in Maine

Transport

 * Parai-tepuí Airport, Venezuela (by IATA code)