PLA (disambiguation)
- Irish National Liberation Army
- PLA
- Pacific Locomotive Association
- Pakistan Library Association
- Palestine Liberation Army
- Paola, Malta
- Party of Labour of Albania
- Pediatric Leadership Alliance
- People's Liberation Army (Lebanon)
- People's Liberation Army (disambiguation)
- People's Liberation Army of Manipur
- Phone Losers of America
- Phospholipase A
- Phospholipase A1
- Phospholipase A2
- Pla (disambiguation)
- Polylactic acid
- Port of London Authority
- Pre-school Learning Alliance
- Principle of least astonishment
- Prior learning assessment
- ProLife Alliance
- Programmable logic array
- Project Labor Agreement
- Protected landscape areas
- Proximity ligation assay
- Public Library Association
- Pulau Aie railway station
- Rafael Cordero Santiago Port of the Americas