Joel Funk Asper (April 20, 1822 – October 1, 1872) was a U.S. Representative from Missouri.

He attended the public schools and the local college in Warren, Ohio.

[1] Asper raised a company for the Civil War in 1861 and served as its captain.

He served at the Prisoner of War Camp at Johnson's Island, Ohio.

He was forced to surrender to John Hunt Morgan seven of the regiment's companies at Keller's Bridge, Kentucky, on June 12, 1864.

He moved to Chillicothe, Missouri, in 1864 and resumed the practice of law in partnership with Henry M.