Gideon Sa'ar (born September 12, 1966) is a member of the Knesset (Israeli Parliament) from the Likud party.

Born in Tel Aviv, Israel, he has a B.A. Political Science and LLB from Tel Aviv University. He was a Staff Sergeant in the IDF.

He is currently the chairman of the governing coalition, and the Parliamentary Group Chairman of the Likud faction in the Knesset. He previously served as secretary to the cabinet.

He is married and has two children.