William Andrew Jackson Sparks (November 19, 1828 – May 7, 1904) was a U.S. Representative from Illinois.

Born near New Albany, Indiana, Sparks moved with his parents to Illinois in 1836.

He attended the public schools and graduated from McKendree College in 1850.

He resumed the practice of law at Carlyle and Springfield, Illinois.

This article incorporates public domain material from the Biographical Directory of the United States Congress