HPQ may refer to:

• HPQ (record label)
• Harwich International railway station, in England
• History of Philosophy Quarterly
• Hominoid Personality Questionnaire
• HP Inc., an American technology company

• Single phase power
• Single-photon avalanche diode
• Single Photon Emission Computed Tomography
• Single-photon emission computed tomography
• Single Player
• Singleplayer
• Single-player game
• Single-player mode
• Single-player video game
• Single point
• Single-point
• Single-point urban interchange
• Single Point Urban Interchange
• Single-precision
• Single quote
• Single responsibility principle
• Single room occupancy
• Singles
• Singles 1963–1965
• Singles 1965–1967
• Singles 1968–1971
• Singles (1992 film)
• Singles 1–12
• Singles 93–03
• Singles Awareness Day