PSV may refer to:

• Partial specific volume
• PlayStation Vita, a handheld game console produced by Sony Computer Entertainment
• Petit Saint Vincent, an island south of St. Vincent in the Grenadine islands
• Platform supply vessel, a specific type of ship
• Police Support Volunteer, the rank of a volunteer performing civilian and usually office based work for British Police Forces
• Pressure safety valve
• Pressure Support Ventilation, a form of pressure cycled ventilation that gives a patient a set pressure of air at every breath initialization but has no respiratory rate set
• PSV Eindhoven, a football club from Eindhoven, Netherlands
  • PSV (women), a women's football team representing PSV Eindhoven in the Eredivisie Vrouwen
• PSV Nickerie, a football club from Nieuw Nickerie, Suriname
• Public service vehicle, a bus