The acronym "PAN" can refer to:
- Partai Amanat Nasional , or "National Mandate Party", an Indonesian political party.
- Partido Acción Nacional, or "National Action Party", a Mexican political party.
- Partido Acción Nacional , or "National Action Party", a Salvadorian political party.
- Partido de Avanzada Nacional, or "National Advancement Party", a Guatemalan political party.
- Peroxyacyl nitrates, respiratory and eye irritants found in smog.
- Personal area network, a computer network used close to one person.
- Polska Akademia Nauk, or "Polish Academy of Sciences", a state scientific institution.
- Polyacrylonitrile, polymer.
- Primary Access Number , the number embossed on credit cards and commonly known as the card number.
- Protect Arizona Now, a political committee behind Proposition 200 in Arizona in 2004
- Permanent Account Number , Indian equivalent of social security number.
