| PHB | Packet Handling Buffer 
| Others |
| PHB | Parnaiba, PI, Brazil
| Others |
| PHB | Partial High Beam
| Others |
| PHB | Pci Host Bridge
| Others |
| PHB | Pedestrian Hybrid Beacon
| Others |
| PHB | Pedestrian Hybrid Beacons
| Others |
| PHB | People Helping Business
| Others |
| PHB | Per Hop Behavior
| Others |
| PHB | Per Hop Behaviour
| Others |
| PHB | Performance High Bay
| Others |
| PHB | Personal Health Budget
| Others |
| PHB | Pharmacopoeia Britannica
| Others |
| PHB | phenylbutzone
| Others |
| PHB | phosphorylase B
| Others |
| PHB | Piehl Hanson Beckman
| Others |
| PHB | Plywood Hugging Boss
| Others |
| PHB | Pointy Haired Boss
| Others |
| PHB | Pointy Headed Boss
| Others |
| PHB | Pointy-haired Boss (Dilbert's boss in the Dilbert comic strip)
| Others |
| PHB | poly-beta-hydroxybutarate
| Others |
| PHB | PolyHydroxyButyrate
| Others |
| PHB | Poptropica Help Blog
| Others |
| PHB | Population Health Branch
| Others |
| PHB | porcine haemoglobin
| Others |
| PHB | Portland Housing Bureau
| Others |
| PHB | Poverty and Homelessness Board
| Others |
| PHB | Pre Hydrated Bentonite
| Others |
| PHB | Preventive Health Behaviour
| Others |
| PHB | Private Hotels Bonn
| Others |
| PHB | Productive Hardworking Boss
| Others |
| PHB | Prohibitin Have Been
| Others |
| PHB | Project Healthy Bones
| Others |
| PHB | Proton Holdings Berhad
| Others |
| PHB | Psycho Hose Beast
| Others |
| PHB | Publisher Hosting Brokers
| Others |
| PHB | Pure Handmade British
| Others |
| PHB | Pure Health and Beauty
| Others |