Dave Grills (born 12 April 1959) is an Australian politician. He was elected to the Western Australian Legislative Council as a Nationals member for Mining and Pastoral Region at the 2013 state election. He was defeated at the 2017 state election. He is running to regain his old seat at the 2021 state election with the Western Australia Party. Although scheduled to take his seat on 22 May 2013, he was elected in a recount on 5 April to the vacancy caused by the resignation of Wendy Duncan to contest the Legislative Assembly seat of Kalgoorlie.