PA
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| PA | Photoinduced Absorption | - | Computer Acronyms(common) |
| PA | Preliminary Assessment | - | Computer Acronyms(common) |
| PA | Pad Abort | - | Organizations |
| PA | Paging And Area Warning | - | Organizations |
| PA | Power Amplifier | - | Organizations |
| PA | Product Assurance | - | Organizations |
| PA | Public Address | - | Organizations |
| PA | Public Affairs | - | Organizations |
| PA | Pulse AmPlifier | - | Organizations |
| PA | Parent Alert | - | ISO Country Codes |
| PA | Panama (ISO 3166 Digram) - Paraguay (FIPS 10-4 Country Code) -Partial Agonist -Pennsylvania (postal Symbol) - Petampere -PolyAmide (Nylon) - Prince Albert Piercing - Public Address (vocal Amplification System) - Public Affairs | - | Astronomy |
| PA | Pascal - Protactinium | - | Astronomy |
| PA | Picoampere | - | Astronomy |
| PA | Punjabi Language (ISO 639-1 Code) | - | Astronomy |
| PA | Position Angle | - | Business and Finance |
| PA | Payload Accommodations | - | Business and Finance |