Scott Ludlam (born 10 January 1970) is a New Zealand-born Australian former politician. A member of the Australian Greens, he was a senator in the Australian Senate from July 2008 to July 2017 and served as deputy leader of the Greens. Ludlam represented the state of Western Australia and resigned when it was found that he had been ineligible to sit in the Senate due to holding dual citizenship of New Zealand and Australia.