Łukasz de Bnin Opaliński of Łodzia coat of arms (1581–1654)[1] was a Polish nobleman.

He was castellan of Poznań from 1615,[2] Crown Court Marshal from 1630,[3] Crown Grand Marshal in 1634–1650,[4] voivode of the Rawa,[5] starosta Wałecki, Leżajski, Hrubieszowski, Kolski, Odolanowski, Śremski, Łosicki, Ratneński, Ujski and Pilski.

[7] He was a supporter and trusted retainer of King Władysław IV Vasa, considered efficient and just.

At the same time he was merciless in exploiting the crown lands he was entrusted as a starost.

He had three wives, Anna Pilecka, Zofia Daniłowicz and Elżbieta Firlej.