PSH may refer to:

Science and technology Paroxysmal sympathetic hyperactivity Past surgical history Petrograd Standard Hundred, a measure of timber PlayStation Home Plurisubharmonic function, a class of functions commonly abbreviated to Polythematic structured-subject heading system, controlled vocabulary Portable Surgical Hospital Prebisch–Singer hypothesis, a hypothesis in economics. Psychosocial hypothesis Pumped-storage hydroelectricity

Places Parma Senior High School Pershore railway station, England; National Rail station code PSH Primary State Highways (Washington), major state highways in Washington State from 1905 to 1964 Public Service Hall - а Georgian government agency.

People Philip Seymour Hoffman (1967–2014), American actor

Other Haitian Socialist Party (), Haitian political party

See also PSSH (disambiguation)