Ransom Williams Dunham (March 21, 1838 – August 19, 1896) was an American businessman and politician from Chicago.

[2] After completing his education, Dunham worked as a clerk for the MassMutual life insurance company from 1855 to 1857.

[3] In 1882 Dunham was elected to the United States House of Representatives as a Republican.

[2] He died in Springfield, Massachusetts on August 19, 1896, while en route to attend Savoy's centennial celebration.

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