Thomas L. Kilbride (born August 5, 1953) is an American judge who served on the Supreme Court of Illinois from 2000 to 2020. Kilbride served as Chief Justice of the court from October 2010 through October 25, 2013. He was elected to the Illinois Supreme Court Justice for the Third District in 2000 and elected Chief Justice by his colleagues in October 2010 for a three-year term. After losing a retention election in 2020, his tenure on the court ended in December 2020.