Jennifer Lee Brunner is an American attorney, jurist, and former politician who has served as an associate justice of the Ohio Supreme Court since 2021. A member of the Democratic Party, Brunner also served one term as Ohio secretary of state from 2007 to 2011 and as a judge on the Ohio Tenth District Court of Appeals from 2015 to 2020. Following Supreme Court elections being made partisan in 2021, Brunner is the only statewide elected Democrat in Ohio as of 2026.