John Scott Wisniewski (/wɪsˈnɛski/ wiss-NES-kee; born June 28, 1962) is an American Democratic Party politician, who served in the New Jersey General Assembly from 1996 to 2018, where he represented the 19th Legislative District. He was a Democratic candidate for Governor of New Jersey in the 2017 election, he lost in the primary election to Phil Murphy.