was a Polish military officer and local government politician who in 1928 served for a short period as the mayor of Białystok.

[2] He was the son of Karol Ostrowski, probably the same as the owner of the tenement house at 13 Kraszewskiego Street.

[2] From July 1, 1922 to April 1, 1923, he was the commander of the 18th Pomeranian Uhlan Regiment, which was stationed in Toruń.

Ostrowski managed to win following a heated discussion, as a result of which the motion was defeated.

[4] His tenure was characterized with constant political quarrels with the city council, with councilors accusing him of concealing financial irregularities, and blaming him for serious irregularities in the construction of the Zdobycz Robotnicza housing estate in Wygoda District, and the unlawful construction of benches in the Constitution of 3 May Park.