Krzysztof Opaliński (21 January 1611 – 6 December 1655) was a Polish szlachta (nobleman), politician, writer, satirist, and Voivode (Governor) of Poznań. A notable figure during the Swedish Deluge, Opaliński was a skilled diplomat who opposed King John II Casimir and published many of his works concerning the daily political or social matters in the Polish–Lithuanian Commonwealth.