PSN is the PlayStation Network, an online service for Sony PlayStation game consoles.
PSN may also refer to:
Computing Packet Switched Network, a digital networking communications method Participatory Sensor Network, a sensor network with voluntary participation of users Patient similarity network, a mathematical model Processor Serial Number, unique to each Intel Pentium III microprocessor Public Services Network, unified UK government network
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 Patient similarity network, application of network theory to medicine The picosthène, an obsolete MTS unit of force or thrust equal to 10−12 sthènes 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)