PBL
- B.C. Premier Baseball League
- Cycle track
- General Bartolomé Salom Airport
- Netherlands Environmental Assessment Agency
- Performance-based logistics
- Peripheral blood lymphocyte
- Perverted by Language
- Peter Lewis (businessman)
- Phenomenon-based learning
- Phi Beta Lambda
- Philadelphia Belt Line Railroad
- Philippine Basketball League
- Planetary boundary layer
- Plasmablastic lymphoma
- Policy Block List
- Polish Basketball League
- Polski Blok Ludowy
- Premier Badminton League
- Premier Basketball League
- Problem-based learning
- Project-based learning
- Prototype-based language
- Public Broadcast Laboratory
- Publishing and Broadcasting Limited
- Puerto Bolívar Airport
- Russian Professional Basketball League