Andrew Parker (May 21, 1805 – January 15, 1864) was a Democratic member of the U.S. House of Representatives from Pennsylvania.
Andrew Parker was born in Cumberland County, Pennsylvania. He attended the common schools and graduated from Dickinson College in Carlisle, Pennsylvania, in 1824. He studied law in Carlisle, was admitted to the bar in 1826 and commenced practice in Lewistown, Pennsylvania. He was appointed deputy attorney general of Mifflin County, Pennsylvania. He moved to Mifflintown, Pennsylvania, in 1831, where he practiced law.
Parker was elected as a Democrat to the Thirty-second Congress. He continued the practice of law in Mifflintown until his death there in 1864. He was buried in the Presbyterian Cemetery.