List of Famous people named Konstanty

Wincenty Konstanty Kalinowski, also known as Vincent Kanstancin Kalinoŭski or Kastuś Kalinoŭski, Konstanty Kalinowski (Polish) and Konstantinas Kalinauskas (Lithuanian), was a 19th-century Belarusian writer, journalist, lawyer and revolutionary. He was one of the leaders of the Polish, Lithuanian and Belarusian national revival and the leader of the January Uprising in lands of the former Grand Duchy of Lithuania in the Polish–Lithuanian Commonwealth.

Konstanty Wasyl Ostrogski was a Ruthenian Orthodox magnate of the Polish–Lithuanian Commonwealth, a prince, starost of Volodymyr-Volynskyi, marshal of Volhynia and voivode of the Kiev Voivodeship. Ostrogski refused to help False Dmitriy I and supported Jan Zamoyski.

Prince Konstanty Adam Czartoryski was a Polish nobleman. Colonel since 1809 in the Duchy of Warsaw and Brigadier General since 1815 in Congress Poland.

Konstanty Iwanowicz Ostrogski was a prince and magnate of the Grand Duchy of Lithuania and later a Grand Hetman of Lithuania from 11 September 1497 until his death.