Eliasz Aleksander Ostrogski (1510–1539), also known as Illia Ostrogski, was the only son of Konstanty Ostrogski from his first marriage with Tatiana Koretska. He was starost of Bratslav and Vinnytsia.
- Position held
- Q64624814, Q26714760
- Citizenship
- Grand Duchy of Lithuania
- Born
- 1510
- Died
- August 20, 1539, August 19, 1539
