Dzierżążno is a village in the administrative district of Gmina Morzeszczyn, within Tczew County, Pomeranian Voivodeship, in northern Poland. It lies approximately 2 km east of Morzeszczyn, 29 km south of Tczew, and 59 km south of the regional capital Gdańsk. It is located within the ethnocultural region of Kociewie in the historic region of Pomerania. Dzierżążno was a private church village of the Diocese of Włocławek, administratively located in the Tczew County in the Pomeranian Voivodeship of the Polish Crown.