Mary C. Noble (born 1949 in Jackson, Kentucky) is the former Secretary of the Kentucky Justice and Public Safety Cabinet and a former Deputy Chief Justice of the Kentucky Supreme Court. Noble was elected to the court in November 2006 where she represented the 5th Supreme Court District. She defeated appointed Justice John C. Roach. Prior to that election, she served as a circuit judge in Fayette County. Chief Justice John D. Minton, Jr. named Noble Deputy Chief Justice on September 1, 2010. Prior to her election to the Supreme Court, Noble was elected to the Fayette Fifth Circuit Court in 1991, and she was re-elected in 2000. Noble retired from the bench in 2017.