Charles Henry Simonton (July 11, 1829 – April 25, 1904) was a United States federal judge.
Simonton was born in Charleston, South Carolina. He graduated from South Carolina College in 1849, and read law in 1851. He was in private practice of law in Charleston, South Carolina from 1851 to 1886. He also served as assistant clerk to the South Carolina House of Representatives from 1851 to 1852, and became a member of the state house in 1858. He represented his district there until 1862, then from 1865 to 1866, and finally from 1877 to 1886. In between, he was a Confederate Army Colonel from 1861 to 1865.
Simonton was a federal judge to the United States District Court for the District of South Carolina. Simonton received a recess appointment from President Grover Cleveland on September 3, 1886, to a seat vacated by George Seabrook Bryan. He was then nominated on December 9, 1886, was confirmed by the United States Senate on January 13, 1887, and received his commission the same day.
Simonton was nominated by Cleveland to the United States Court of Appeals for the Fourth Circuit on December 11, 1893, to a seat vacated by Hugh Lennox Bond. He was confirmed by the United States Senate on December 19 and received his commission the same day. On December 28 he formally resigned his former position on district court to serve on the appeals court. He served on the appeals court until his death in Philadelphia, Pennsylvania in 1904.