| PHI | Packard Humanities Institute 
| Others |
| PHI | Pantone Hex Image
| Others |
| PHI | Passive Haemagglutination Inhibition
| Others |
| PHI | Passive House Institute
| Others |
| PHI | Past History Information
| Others |
| PHI | Patient Health Information
| Others |
| PHI | Patient Health Initiatives
| Others |
| PHI | Penetrating Head Injury
| Others |
| PHI | People Have Information
| Others |
| PHI | Permanent Health Insurance
| Others |
| PHI | Personal Health Information
| Others |
| PHI | Petroleum Helicopters Inc
| Others |
| PHI | phagocytosis index
| Others |
| PHI | Philadelphia Eagles
| Others |
| PHI | Philadelphia Phillies
| Others |
| PHI | Philipinas Hino Inc.
| Others |
| PHI | Phillipines
| Others |
| PHI | Philosophy
| Others |
| PHI | phosphate isomerase
| Others |
| PHI | Physically Health Impaired
| Others |
| PHI | Pinheiro, Ma, Brazil
| Others |
| PHI | Pre Harvest Interval
| Others |
| PHI | Prentice Hall of India
| Others |
| PHI | primary HIV infection
| Others |
| PHI | primary hyperoxaluria
| Others |
| PHI | Private Health Information
| Others |
| PHI | Private Health Insurance
| Others |
| PHI | Proctected Health Information
| Others |
| PHI | Professionalising Health Informatics
| Others |
| PHI | Prostate Health Index
| Others |
| PHI | Protected Health Information
| Others |
| PHI | Public Health Information
| Others |
| PHI | Public Health Inspector
| Others |
| PHI | Public Health Institute
| Others |
| PHI | Public Health Investigator
| Others |