The acronym "PAN" can refer to:
- Partido Acción Nacional, or "National Action Party", a Mexican political party.
- Partido Acción Nacional, or "National Action Party", a Salvadorian political party.
- Peroxyacetyl nitrate, an organic compound consisting of oxygen, and nitrogen as well as a short hydrocarbon chain.
- Personal area network, a computer network used close to one person.