Konstanty Ostrogski
| Konstanty Ostrogski | |
|---|---|
| Portrait, 18th century | |
| Born | c. 1460 Ostroh, Grand Duchy of Lithuania (now Ukraine) | 
| Died | 10 August 1530 | 
| Allegiance | Grand Duchy of Lithuania | 
| Branch | Army of the Grand Duchy of Lithuania | 
| Rank | Grand Duke of Lithuania | 
| Battles / wars | 
 | 
| Spouse(s) | Tatiana Koretska, Aleksandra Słucka | 
| Children | Illia Ostrogski, Konstanty Wasyl Ostrogski | 
| Konstanty Ostrogski | |
|---|---|
| Coat of arms | |
| Noble family | Ostrih | 
Konstanty Iwanowicz Ostrogski (c. 1460 – 10 August 1530) 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.