Randy Hillier (born 1958) is a rural activist and politician in Ontario, Canada. He was elected as a Progressive Conservative MPP for Lanark—Frontenac—Lennox and Addington during the 2007 Ontario general election. Hillier serves as the party's critic for both Labour and Northern Development, Mines and Forestry in the provincial legislature.
Hillier is a licensed construction electrician with a diploma in electrical engineering technology from Algonquin College and former employee of the Canadian federal government. He lives near Perth, Ontario. In 2009, Hillier was a candidate in the provincial PC leadership election. After finishing fourth on the first ballot, he threw his support to the eventual winner Tim Hudak.