Jan Działyński may refer to:

Jan Działyński (stolnik, born 1489) (1489–1587), Polish nobleman, stolnik of Dobrzyń, castellan of Słońsk Jan Działyński (voivode, born 1510) (1510–1583), Polish nobleman, voivode of Chełm, chamberlain of Gdańsk, Elbląg and Chełm Jan Działyński (voivode, born 1590) (1590–1648), Polish nobleman, voivode of Chełm, starosta of Puck Paweł Jan Działyński (1594–1643), Polish nobleman, voivode of Pomorze Jan Kanty Działyński (1829–1880), Polish social and political activist