| Acronym | Definition |
|---|
| PAN | Permanent Account Number |
| PAN | Personal Area Network |
| PAN | Panama (ISO Country code) |
| PAN | Pesticide Action Network |
| PAN | Partido Acción Nacional (Spanish: Action National Party) |
| PAN | Polska Akademia Nauk (Polish Science Academy) |
| PAN | Polyacrylonitrile |
| PAN | Polyarteritis Nodosa (blood vessel disease) |
| PAN | Palo Alto Network (cybersecurity; Palo Alto, CA) |
| PAN | Planning Advice Note (UK) |
| PAN | Processing Area Network |
| PAN | Proteasome Activating Nucleotidase (genetics) |
| PAN | Public Affairs News |
| PAN | Print System Asynchronous Notification Protocol |
| PAN | Personal Account Number |
| PAN | Private Area Network |
| PAN | Primary Account Number |
| PAN | Periodic Alternating Nystagmus (medical diagnosis) |
| PAN | Pennsylvania Association of Notaries |
| PAN | Partido de Avanzada Nacional (Guatemala) |
| PAN | Partai Amanat Nasional (National Mandate Party, Indonesia) |
| PAN | Published Admission Number (UK schools) |
| PAN | Public Access Network |
| PAN | Phenyl-Alpha-Naphthylamine |
| PAN | National Advancement Party (Guatemala) |
| PAN | Partido dos Aposentados da Nação (Brazil political party) |
| PAN | Phénomènes Aérospatiaux Non Identifiés |
| PAN | Plant-Available Nitrogen |
| PAN | Peroxyacetylnitrate |
| PAN | Proto-Austronesian (language) |
| PAN | Protect Arizona Now (anti-immigration group) |
| PAN | Piedmont Angel Network (investing; Winstom-Salem, NC) |
| PAN | Presence Across Nation (India) |
| PAN | Partido Autonomista Nacional (Argentine Former Political Party) |
| PAN | Para-Aortic Lymph Nodes |
| PAN | Personal Access Number |
| PAN | Promoters Arts Network (UK) |
| PAN | Personnel Action Notice |
| PAN | Progressive Action Network (Washington, DC) |
| PAN | Percussion Actuated Non-electric (bomb squad robotics) |
| PAN | Philippine Association of Nutrition |
| PAN | Primary Afferent Neuron |
| PAN | Pennsylvania Association of Numismatists |
| PAN | Uncovering Plagiarism, Authorship and Social Software Misuse (workshop) |
| PAN | Passive/Active Neutron |
| PAN | Programa Ambiental Nacional (Spanish: National Environmental Program) |
| PAN | Publication Approval Number |
| PAN | Peripheral Area Network |
| PAN | Peer Advising Network |
| PAN | Project Authorization Notice |
| PAN | Pan-Access Network |
| PAN | Patient's Action Network (American Medical Association) |
| PAN | Planetary Area Network |
| PAN | Personal Action Notice |
| PAN | Production Acceptance Notice |
| PAN | Programmed Assigned Number |
| PAN | Partial Advisory Notice |
| PAN | Poker Ad Network |
| PAN | Pajhwok Afghan News (news agency; Afghanistan) |
| PAN | Pro-Apollo Nutter |
| PAN | Producto Alimenticio Nacional (Spanish: National Foodstuffs; corn flour made in Venezuela) |