Brian Gregory Gosch (born May 26, 1971) is an American politician and attorney from the state of South Dakota. He was a member of the South Dakota House of Representatives, and served as the Speaker of the House from 2013 to 2015. In November 2014, he was elected as Majority Leader of the South Dakota House of Representatives beginning in the 2015 session. He was replaced as Speaker of the House by Dean Wink.