PDL
- Brownfield land
- Democratic Liberal Party (Romania)
- Formulary (pharmacy)
- Free Destourian Party
- João Paulo II Airport
- Labour Democratic Party
- OpenOffice.org
- PDL BioPharma
- Padalarang railway station
- Page description language
- Periodontal ligament
- Perl Data Language
- Person deprived of liberty
- Polarization mode dispersion
- Pole of Freedoms
- Ponta Delgada Airport
- Poorly Drawn Lines
- Portsmouth Direct line
- Poundal
- Power door locks
- Professional Development League
- Program Design Language
- Progressive download
- Propositional dynamic logic
- Public Documentation License
- Pulsed dye laser
- Schneider Electric
- The People of Freedom
- USL League Two