Konstanty Ostrogski

Konstiantyn Ostrozky
Portrait, 18th century
Bornc. 1460
Ostroh, Grand Duchy of Lithuania (now Ukraine)
Died10 August 1530
AllegianceGrand Duchy of Lithuania
Service/branchArmy of the Grand Duchy of Lithuania
RankGrand Duke of Lithuania
Battles/wars
Spouse(s)Tatiana Koretska, Aleksandra Słucka
ChildrenIllia Ostrogski, Konstanty Wasyl Ostrogski
Konstanty Ostrogski
Coat of arms
Noble familyOstrih

Konstiantyn Iwanowycz Ostrosky (c. 1460 – 10 August 1530; Lithuanian: Konstantinas Ostrogiškis; Ukrainian: Костянтин Іванович Острозький, romanizedKostiantyn Ivanovych Ostrozkyi; Belarusian: Канстантын Іванавіч Астроскі, romanizedKanstantyn Ivanavič Astroski) was a Ruthenian prince and magnate of the Grand Duchy of Lithuania. He later had the title of grand hetman of Lithuania from 11 September 1497 until his death in 1530.