Randall B. Luthi (born 1955) is an attorney and rancher from Freedom, who served as a Republican in the Wyoming House of Representatives from 1995—2007. He was the Speaker for his last two-year term, 2005—2007. Prior to 2005, he had been the House Majority Leader. From 2007 to 2009, he was the director of the Department of Interior's Minerals Management Service.