English abbreviations from plgr to plop
- PLGR (Precision Lightweight GPS Receiver ("plugger"))
- PLH (Plymouth City Airport (closed 2011))
- PLHIV (People Living with HIV)
- pli (Pāli language (ISO 639-2 code))
- PLIF (Planar Laser-Induced Fluorescence)
- PLIRI (Persistent Location Independent Resource Identifier)
- PLJ (Placencia Airport)
- PLK (Polska Liga Koszykówki (Polish, "Polish Basketball League"))
- PLKK (Polska Liga Koszykówki Kobiet (Polish, "Polish Women's Basketball League"))
- PLL (Phase-Locked Loop (electronics))
- PLL/ASL (Prescribed Load List/authorized Stock Level)
- PLLU (Phase Lock Loop Unit)
- PLM (Polarized Light Microscope/Microscopy)
- PLMA (Peak Load Management Association (US) (electricity))
- PLMBA (Phospholipid Bilayer Microarray)
- PLMD (Periodic limb movement disorder)
- PLMP (Philippine Library Materials Project Foundation, Inc.)
- PLMX (Product Lifecycle Management eXchange)
- Pln (Platoon)
- PLO (Palestinian Liberation Army)
- PLOKTA (Press Lots Of Keys To Abort)
- PLOP (Pattern Languages Of Programs)