Jan Kostka
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Jan Kostka can refer to several Polish–Lithuanian nobles:
- Jan Kostka (1529–1581), Podskarbi of Duchy of Prussia since 1555, castellan of Gdańsk in 1556–1574, voivode of Sandomierz Voivodship since 1574
- Jan Kostka (died in 1576), married to Małgorzata Kryska, father of Saint Stanislaus Kostka
- Jan Kostka (died in 1592)
- Jan Kostka (1592–1624), married to Barbara Rozdrażewska