PDL

PDL is an initialism for:

Politics

 * Democratic Liberal Party (Partidul Democrat Liberal), a former political party in Romania
 * Labour Democratic Party (Partito Democratico del Lavoro), a former political party in Italy
 * Pole of Freedoms (Polo delle Libertà), a former political alliance in Italy
 * The People of Freedom (Il Popolo della Libertà), a former political party in Italy
 * Free Destourian Party (Parti Destourien Libre), a current political in Tunisia

Computing

 * Page description language
 * Perl Data Language and the data type it supports
 * Program Design Language, a method of software construction
 * Progressive download
 * Public Documentation License, used with OpenOffice.org

Other uses in science and technology

 * PDL, a former electrical hardware manufacturer in New Zealand now part of Schneider Electric
 * Periodontal ligament
 * Power door locks
 * Propositional dynamic logic
 * Pulsed dye laser
 * Poundal, a unit of force (abbreviated pdl)
 * Polarization Dependent Loss, see Polarization mode dispersion

Sport

 * Premier Development League, the former name of a developmental soccer league in the United States and Canada now known as USL League Two.
 * Professional Development League, an English system of youth football leagues.

Other uses

 * PDL BioPharma, formerly Protein Design Labs
 * João Paulo II Airport (IATA code PDL)
 * Previously developed land, see Brownfield land
 * Ponta Delgada Airport
 * Poorly Drawn Lines, an absurdist webcomic
 * Portsmouth Direct line, a railway line in England