PHB
- Bachelor of Philosophy
- PHB (bicycle)
- Parnaíba-Prefeito Dr. João Silva Filho International Airport
- Pedestrian hybrid beacon
- Per-hop behaviour
- Personal health budgets
- Peterhouse Boys' School
- Phoebus Apollo Aviation
- Pig Heart Boy
- Platinum Habib Bank
- Player's Handbook
- Pointy-haired boss
- Polyhydroxybutyrate
- Prohibitin
- Proton Holdings Berhad