Jan Chryzostom Pieniążek

Jan Chryzostom Pieniążek (c. 1630–1712) was a Polish szlachcic.

Starost of Oświęcim since 1666 and voivode of Sieradz Voivodeship since 1683.

Marshal of the Sejm (zwyczajnego) August 17 - May 4, 1666 in Warsaw.