Chauncey Ives Filley (17 October 1829 - 24 September 1923) was a United States politician active in Missouri.

He received a private and academic education and entered commercial life as a clerk.

He designed and controlled his own pottery patterns and became the largest importer and distributor of queensware in the Mississippi Valley.

He became interested in politics and became the eighteenth mayor of St. Louis, Missouri, in 1863.

He resigned from office because of illness after serving only one year of his two-year term.