Jo Ann Davidson (born September 28, 1927) is an American politician of the Republican Party. A member of the Ohio House of Representatives from 1981 to 2000, she was Speaker of the Ohio House of Representatives from 1995–2000. She is also the national committeewoman for Republican Party for Ohio. Davidson was appointed to the Ohio Casino Control Commission by Governor John R. Kasich on February 23, 2011. Her term of office ended on February 21, 2018. In 2016, the Capitol Theatre in Columbus, Ohio was renamed in her honor. The theatre sits across the street from the Ohio Statehouse.