William A. Wallace (born June 6, 1867) was an American politician. He served in the Illinois State Senate from 1938 until 1943, representing the Cook 3 district, including Chicago. He was a Democrat.
William A. Wallace was born in 1867 in Maryland. He graduated from Lincoln University in Pennsylvania. After graduating, he moved to Chicago, Illinois.
In 1938, he was elected to the Illinois State Senate after defeating Republican William E. King.