Hiram Barber (January 25, 1800 – October 23, 1888) was an American pioneer, politician, and businessman in Dodge County, Wisconsin.

In 1844, Barber moved to the Wisconsin Territory and settled in Horicon, where he had agriculture, manufacture, and railroad business interests.

[2] After becoming Governor, Dewey would appoint Barber to the Board of Regents tasked with organizing the University of Wisconsin.

Later that year, Barber ran for and was elected to represent Dodge County's 2nd district in the 1849 session of the Wisconsin State Assembly.

[1] In 1876, Barber ran for the United States House of Representatives as a Republican in the 5th district, but was defeated by Samuel D.