| Abbreviation | Definition |
|---|---|
| PGU | Professional Growth Unit |
| PGY | Post Graduate Year |
| PGY | Psychiatry Graduate Year |
| PGY-1 | first post-graduate year |
| PGY-2 | second post-graduate year |
| PGY-3 | third post-graduate year |
| PGY-4 | fourth post-graduate year |
| PGY-5 | fifth post-graduate year |
| PH | Pale Headed |
| PHA | Prince Hall Affiliated |
| PHASE | Peers Helping All Students Equally |
| PHC | Pan- Hellenic Council, Inc. |
| PHD | Playa Hatin Degree |
| PHE | Physical Education |
| PHE | Planning for Higher Education |
| PHE | Project for Historical Education, University of North Carolina |
| PHG | Program in Human Genetics |
| PHI | Packard Humanities Institute |
| PHI | Philosophy |
| PHI | Private Health Information |