PAO
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PAO | Polarized Atomic Orbital | - | Computer Acronyms(common) |
| PAO | Polyphosphate Accumulating Organism | - | Computer Acronyms(common) |
| PAO | Pseudo-atomic Orbital | - | Computer Acronyms(common) |
| PAO | Public Affairs Office (Officer) | - | Organizations |
| PAO | Public Affairs Officer | - | Astronomy |
| PAO | Product and Service Assurance Office | - | Human Genome |