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

PSN may also refer to:

• 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

• 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

• 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

• 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)

This disambiguation page lists articles associated with the title PSN.
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