PHA
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PHA | Physics And Astronomy | - | Atmospheric Research Center |
| PHA | Process Hazard Analysis | - | Computer Acronyms(common) |
| PHA | Preliminary Hazard Analyses | - | Organizations |
| PHA | PolyHydroxyAlkanoate -Potentially Hazardous Asteroid | - | Astronomy |