What is "pgn"

PGN may refer to:

• Perusahaan 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
• 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