HPSS may refer to:
High Performance Storage System, a hierarchical storage management product High performing specialist school, a type of specialist school in the UK ATI HPSS (Acoustic Technology Inc. High-Power Speaker Station), an outdoor speaker system used as a warning siren Health and Population Sector Strategy, for health in Bangladesh by its government Croatian Peoples' Peasant Party (), predecessor of the Croatian Peasant Party
See also
HPS (disambiguation)