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PPH may refer to

  • 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
  • Postpartum hemorrhage
  • Pound per hour (symbol pph), mass flow unit (used in aviation to measure fuel flow, for instance)
  • Primary pulmonary hypertension, see Pulmonary hypertension
  • Procedure for prolapse and hemorrhoids, see Stapled hemorrhoidectomy
  • Palomar Pomerado Health, a public health district in San Diego County, California
  • 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. (e.g. 237 people per hour went through the security checkpoint.)
  • PeoplePerHour, the business founded by Xenios Thrasyvoulou (CEO) and Simos Kitiris (CTO), its website (, or its applications.
  • Propylphenidate, a analogue of methylphenidate