LPSS

The acronym LPSS may refer to:


 * A US Navy hull classification symbol: Transport submarine (LPSS)
 * Lorne Park Secondary School, a high school in Mississauga, Ontario, Canada
 * Lambrick Park Secondary School, a high school in Saanich, British Columbia, Canada
 * Lafayette Parish School System, a school district in Louisiana
 * Lucent Public Safety Systems, a company acquired by Intrado
 * Labour Party South Sudan
 * Low Power Subsystems, a management class of subsystems in the Linux kernel