PHB may refer to:

Science and technology

  • Per-hop behaviour, in the DiffServ world
  • Polyhydroxybutyrate, a biopolymer
  • Prohibitin, a human gene

Transportation

  • Pedestrian hybrid beacon, a type of traffic signal
  • Parnaíba-Prefeito Dr. João Silva Filho International Airport (IATA code), Brazil
  • Phoebus Apollo Aviation (ICAO code), a small airline in South Africa

Organisations

  • Peterhouse Boys' School, a private boys' high school in Zimbabwe<!--fails WP:DABACRO-->
  • Platinum Habib Bank (Bank PHB), a commercial bank in Nigeria, a member of the Bank PHB Group

Other uses

  • Personal health budgets, a stated funded healthcare package
  • Bachelor of Philosophy (PhB), a degree
  • Pointy-haired boss, a character from the Dilbert cartoons
  • Player's Handbook, a rulebook for role-playing game Dungeons & Dragons
  • PHB (bicycle), a hydrogen bicycle
  • Pig Heart Boy, a children's book by Malorie Blackman, made into a television show
  • Proton Holdings Berhad, a Malaysian automotive company