Joseph Verdi Graff (July 1, 1854 – November 10, 1921) was a U.S. Representative from Illinois.

Graff was elected as an inspector of the Pekin public schools in 1891 and served as president of the board of education.

[1] He served as chairman of the Committee on Claims (Fifty-sixth through Fifty-eighth Congresses).

He was interred in Glendale Cemetery, Washington, Tazewell County, Illinois.

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