PLA

PLA may refer to:

Organizations

Pacific Locomotive Association, an association that operates the Niles Canyon Railway in California, US
Pakistan Library Association
Palestinian Liberation Army
Party of Labour of Albania, the single political party of the People's Socialist Republic of Albania from 1944–1991
Pediatric Leadership Alliance, a leadership training program of the American Academy of Pediatrics
People's Liberation Army (disambiguation)
- People's Liberation Army of the People's Republic of China
- People's Liberation Army, an early name of the Irish National Liberation Army
- People’s Liberation Army, the Progressive Socialist Party in Lebanon
- People's Liberation Army of Manipur
Phone Losers of America, previously an American phreaking group that now hosts a podcast
Playboy Enterprises, by stock symbol
Port of London Authority
Pre-school Learning Alliance, an educational charity and provider of childcare in England
ProLife Alliance, a political party in the UK
Public Library Association, a US professional association

Principle of Least Astonishment, a concept in the study of human-computer interaction
Participatory Learning and Action, an approach used in international development
Prior Learning Assessment, in education
Programmable Logic Array, a programmable device used to implement combinational logic circuits
Proximity ligation assay, a biochemical method to detect protein interactions
Polylactic acid, a biodegradable plastic derived from renewable resources
Posterolateral artery of the heart
Pyogenic liver abscess
Omptin, an enzyme

Project Labor Agreement, a type of collective bargaining agreement
Product licensing application, an application to the Food and Drug Administration to get approval of a biologic product
Port of the Americas, a megaport in Ponce, Puerto Rico
Protected Landscape Area, one of the types of protected areas of Slovakia
Protected Landscape Area, one of the types of protected areas of the Czech Republic