Præstø (Danish pronunciation: [ˈpʰʁæstˌøˀ]) is a town with a population of 3,857 (1 January 2022) in Vordingborg Municipality in Region Sjælland on the east coast of the island of Zealand (Sjælland). The islands of , Storeholm, and Lilleholm are part of the Wildlife reserves (Præstø Fjord Vildtreservat). The former Prøstø municipality covered an area of 107 km2, and had a total population of 7,608 (2005). Its last mayor was Ole Møller Madsen, a member of the Venstre (Liberal Party) political party.