PLA

The acronym PLA may mean:

*Principle of Least Astonishment, a concept in the study of human-computer interaction
*Participatory Learning and Action, an approach used in international development
*People's Liberation Army of the People's Republic of China
*Palestinian Liberation Army
*An early name of the Irish National Liberation Army
*Phone Losers of America, the computer and telephone hacking group
*Port of London Authority
*Prior Learning Assessment in the field of education and articulation.
*Pre-school learning alliance, a charitable organisation formed by a number of playschools/groups in the UK
*Programmable logic array, a programmable device used to implement combinational logic circuits
*Product licensing application, an application to the Food and Drug Administration to get approval of a biologic product
*Public Library Association, a division of the American Library Association
*Punjab Library Association, an association in the Indian Punjab, first founded in 1916 at Lahore by Asa Don Dickinson.
*Polylactic acid, a biopolymer made from natural sugar sources, which can be used as a substitute for petroleum-based polymers
*Protected Landscape Area, a type of protected areas in Slovakia and the Czech Republic

Other meanings

PLA may also mean:
* The Playboy Enterprises stock symbol
* The ProLife Alliance, a minor political party in the United Kingdom