| PHE | Padlock Hash Engine 
| Others |
| PHE | Paper Handling Equipment
| Others |
| PHE | Paramount Home Entertainment
| Others |
| PHE | Peel Halton Etobicoke
| Others |
| PHE | Peer Health Education
| Others |
| PHE | Peer Health Educator
| Others |
| PHE | Peer Health Educators
| Others |
| PHE | Peer Health Exchange
| Others |
| Phe | Phenylalanine
| Others |
| PHE | Physical and Health Education
| Others |
| PHE | Physical Education
| Others |
| PHE | Physical Health Education
| Others |
| PHE | Piet Hein Eek
| Others |
| PHE | Planning for Higher Education
| Others |
| PHE | Plasma High Efficiency
| Others |
| PHE | Plate Heat Exchanger
| Others |
| PHE | Pleasant Hill Elementary
| Others |
| PHE | Plumbing Heating Electrical
| Others |
| PHE | Point Higgins Elementary
| Others |
| PHE | Population Health and Environment
| Others |
| PHE | Population Health Environment
| Others |
| PHE | Port Hedland International Airport
| Others |
| PHE | Port Hedland, Western Australia, Australia
| Others |
| PHE | Potentially Harmful Element
| Others |
| PHE | Potomac Hudson Engineering
| Others |
| PHE | Potomac-Hudson Engineering, Inc.
| Others |
| PHE | Practical Helpful Everyday
| Others |
| PHE | Prairie Hills Elementary
| Others |
| PHE | Precision Health Economics
| Others |
| PHE | Program for the Human Environment
| Others |
| PHE | Programmable High Energy
| Others |
| PHE | Project for Historical Education, University of North Carolina
| Others |
| PHE | Proliferative Haemorrhagic Enteropathy
| Others |
| PHE | Proliferative Hemorrhagic Enteropathy
| Others |
| PHE | Prosecution History Estoppel
| Others |
| PHE | Protocol Header Encryption
| Others |
| PHE | Public Health and Environment
| Others |
| PHE | Public Health Emergencies
| Others |
| PHE | Public Health Emergency
| Others |
| PHE | Public Health Engineering
| Others |
| PHE | Public Health England
| Others |
| PHE | Public Health Epidemiologists
| Others |
| PHE | Public Health Ethics
| Others |
| PHE | Public Health Event
| Others |
| PHE | Pump Hydraulic Efficiency
| Others |