Pa
- .pa
- ALCO PA
- Airblue
- Florida Coastal Airlines
- Live PA
- P.A. (group)
- PA Consulting Group
- PA Media
- PA postcode area
- Pa (Javanese)
- Pa (cuneiform)
- Pa (name)
- Pa (song)
- Pa Drengen Changchop Simpa
- Pakistan Army
- Palestinian National Authority
- Pan American World Airways
- Panama
- Paralympics Australia
- Parental Advisory
- Parental alienation
- Parliamentary assistant
- Pará
- Pascal (unit)
- Patriotic Alliance
- Patriotic Alternative
- Patrulla Águila
- Peano axioms
- Pennsylvania
- Penny Arcade
- People's Association (Singapore)
- Peptide amphiphile
- Performance appraisal
- Pernicious anemia
- Personal assistant
- Peterson Academy
- Philippine Army
- Phillips Academy Andover
- Physician assistant
- Pickleball in Canada
- Picoamp
- Planetary Annihilation
- Planning Authority (Malta)
- Plate appearance
- Political assistant (disambiguation)
- Polyacrylamide
- Polyamide
- Portsmouth Abbey School
- Predictive analytics
- Primary aldosteronism
- Prince Albert (genital piercing)
- Prince Albert, Saskatchewan
- Production assistant
- Produttori Associati
- Professional association
- Progressive Alliance
- Project architect
- Prosecuting attorney
- Protactinium
- Proto-Afroasiatic language
- Proto-Algic
- Proto-Algonquian
- Proto-Altaic
- Proto-Athabaskan
- Proto-Austronesian
- Protonotary Apostolic
- Provider-aggregatable address space
- Public Accountant
- Public address system
- Public bill
- Pulaski Academy
- Punjabi language
- Pâ
- Pā