WSP may refer to:

Organizations Washington State Patrol, the state police agency for the U.S. state of Washington Wasserschutzpolizei, the German water police Water and Sanitation Program, a trust fund administered by the World Bank geared at improving access to water and sanitation Website Pros, now part of Web.com Women Strike for Peace, a United States women's peace activist group WSP Global, a Canadian-based management and consultancy services business, formerly the London-based WSP Group WSP New Zealand, formerly WSP Opus, a subsidiary of WSP Global

Technology and science Wandering salesman problem, in discrete optimization, similar to the travelling salesman problem Waste stabilization pond, a low-cost basic wastewater treatment process Water safety plan, for drinking water Web service provider, a provider of a method of communication between two electronic devices over a network Web service protocol, for example JSON-WSP Wireless Session Protocol, upper layer of the Wireless Application Protocol stack Wheel slide protection, used on rail vehicles Wireless Short-Packet; see EnOcean World Soundscape Project, an acoustic ecology research project

Places Wasco State Prison, a state prison in California, US Washington Square Park, public park in New York City Waspam Airport (IATA Code), Nicaragua Wetumpka State Penitentiary, a former prison in Alabama, US Wyoming State Penitentiary

Other uses Wantagh State Parkway, in New York Warring States Period, ancient Chinese war from 475 - 221 BC Widespread Panic, an American jam band Wigan St Patricks, an amateur rugby league club based in Wigan, England

See also Wire strike protection system, for helicopters Windows Search Protocol (MS-WSP), a remote query protocol used in Microsoft File Explorer