PSN (disambiguation)

PSN is the PlayStation Network, an online service for Sony PlayStation game consoles.

PSN may also refer to:

Computing

 * Processor Serial Number, unique to each Intel Pentium III microprocessor
 * Public Services Network, unified UK government network
 * Participatory Sensor Network, a sensor network with voluntary participation of users
 * Packet Switched Network, a digital networking communications method

Transport

 * Palm Springs (Amtrak station), California, United States, Amtrak station code PSN
 * Parson Street railway station, England, National Rail station code PSN
 * Puget Sound Navigation Company, Washington, US

Politics

 * Partido de la Sociedad Nacionalista, a political party in Mexico
 * Partido Solidaridad Nacional, a political party in Guatemala
 * Project Safe Neighborhoods, US DoJ initiative against gun violence

Other uses

 * Placental site nodule, a benign remnant of a previous pregnancy
 * Prime Sports Network, a defunct group of regional sports networks
 * PSN Ngada, an Indonesian football club
 * P. S. Narayanaswamy, Indian singer
 * PT Pasifik Satelit Nusantara (PSN), an Indonesian private company dedicated to telecommunications (PSN-6)