Save Type Surname (from location) Gender Masculine Usage Polish Pronounced Pron. /ɔs.ˈtrɔf.ski/ [key·simplify] Meaning & History From Polish ostrów meaning "river island". Related NamesDetails Feminine FormOstrowskaOther Languages & CulturesAstrauskaitė, Astrauskas, Astrauskienė(Lithuanian) Categories islands, landforms, water