Harry Wilbur Griswold (May 19, 1886 – July 4, 1939) was a member of the United States House of Representatives from Wisconsin.
Born in West Salem, Wisconsin, he was educated in the public schools and took courses in the agricultural college at University of Wisconsin–Madison.
Griswold was in the agriculture profession specializing in cattle breeding.
He served on the West Salem Board of Education and was in the Wisconsin State Senate 1933-1937.
In 1938, Griswold was elected as a Republican to serve in the 76th United States Congress as the representative of Wisconsin's 3rd congressional district and served until he died in office in Washington, D.C.