Andrew Ewing was an American politician and a member of the United States House of Representatives for the 8th congressional district of Tennessee.
Ewing was born in Nashville on June 17, 1813. After completing preparatory studies, he graduated from the University of Nashville in 1832. He studied law, was admitted to the bar in 1835, and commenced practice in Nashville, Tennessee. He was the chosen trustee of the University of Nashville in 1833, and served in that office until his death.
He was elected as a Democrat to the Thirty-first Congress, serving from March 4, 1849 to March 3, 1851. He declined to be a candidate for renomination in 1850. He resumed the practice of law in Nashville, and he was a delegate to the 1860 Democratic National Convention at Baltimore. During the Civil War, he served as judge of General Braxton Bragg's military court. He died in Atlanta, Georgia on June 16, 1864. He was interred in Nashville City Cemetery in Nashville, Tennessee. He was the brother of fellow congressman Edwin Hickman Ewing.