Lewis Hanback (March 27, 1839 – September 7, 1897) was a U.S. representative from Kansas.

Born in Winchester, Illinois, Hanback attended the common schools and Cherry Grove Seminary in Knox County, Illinois, for three years. He taught school in Morgan County, Illinois, in 1860 and 1861. During the Civil War he enlisted as a private in the Illinois Volunteer Infantry and was later promoted to brigade inspector. He studied law in Albany, New York. He returned to Illinois and from there moved to Topeka, Kansas. He was admitted to the bar in 1865 and began practicing law.

Hanback was elected Justice of the Peace in 1867. He was Probate judge of Shawnee County from 1868 to 1872. He served as assistant chief clerk of the State house of representatives. He served as assistant secretary of the State senate in 1877. He served as assistant United States district attorney of Kansas 1877–1879. He served as Receiver of public moneys at Salina, Kansas.

Hanback was elected as a Republican to the Forty-eighth and Forty-ninth Congresses (March 4, 1883 – March 3, 1887). He was an unsuccessful candidate for re-election to the Fiftieth Congress. He resumed the practice of law. He died in Kansas City, Kansas, September 7, 1897. He was interred in Topeka Cemetery, Topeka, Kansas.

U.S. House of Representatives
Preceded byDavid P. LoweMember of the U.S. House of Representatives from Kansas's at-large congressional district 1883 – 1885Succeeded byWilliam A. Harris
New districtMember of the U.S. House of Representatives from Kansas's 6th congressional district 1885 – 1887Succeeded byErastus J. Turner

This article incorporates public domain material from . Federal government of the United States.