Niall Mark Blair (born 22 May 1977) is a former Australian politician and was the former Deputy Leader of the New South Wales Nationals. Blair was a Nationals member of the New South Wales Legislative Council from March 2011 until October 2019, when he retired from politics. He was the New South Wales Minister for Primary Industries from April 2015 until March 2019; the Minister for Trade and Industry and the Minister for Regional Water from January 2017 until March 2019 in the Berejiklian government.