Jacek Robert Sasin (born 6 November 1969 in Warsaw) is a Polish politician and former local government official.

He graduated from the 20th Secondary School named after Bolesław the Brave in Warsaw.

In the local elections of 2010, he became a councilor of the Masovian Voivodeship Sejmik on behalf of PiS.

In 2014, he was the candidate of Law and Justice in the 2014 Polish local elections for the office of the mayor of Warsaw, losing in the second round of voting to Hanna Gronkiewicz-Waltz.

[4] The minister gave orders to print the ballot papers without any procedure or any legal basis, and ultimately lost them.