PGN

PGN may refer to:


 * Paignton railway station, National Rail station code PGN
 * Parameter Group Number, as defined in the Society of Automotive Engineers J1939 standard
 * Peptidoglycan, a polymer consisting of sugars and amino acids that forms a bacterial cell wall
 * Pertamina Gas Negara, a natural gas transportation and distribution company in Indonesia
 * Philadelphia Gay News, a newspaper in the Philadelphia area, Pennsylvania, United States
 * Portable Game Notation, a computer data format for recording chess games