English abbreviations from pa to pac
- PA (Public address system)
- Pa. (Papa ("Pope"); Pater ("Father"))
- P. A. (Personal Assistant)
- P.A. (Prince Albert)
- PA&E (Program Analysis and Evaluation)
- PA&T (Product Assurance and Test)
- PA 6 (Nylon 6 (PolyAmide) (similarly for PA 11, 12, 46, 66, 610))
- PAA (Position Area for Artillery)
- PAAF (Position Action Approval Form)
- PAAP (Platelet Aggregation-Associated Protein)
- PAARC (Pacific Association of Artist Run Centres)
- PaaS (Platform as a Service)
- PAB (Panamanian balboa (ISO 4217 currency code))
- PABA (Para Amino Benzoic Acid)
- PABD (Pay Entry Base Date)
- PABIC (Pakistan Biotechnology Information Center)
- PABT (Pilot Aptitude Battery Test)
- PABX (Private Automated Branch eXchange (company phone system))
- PAC (Pan African Club)