Ben C. Eastman (24 October 1812-2 February 1856) was a member of the US House of Representatives (D-WI 2) from 4 March 1851 to 3 March 1855, succeeding Orsamus Cole and preceding Cadwallader C. Washburn. Born in Strong, Maine, he settled in Green Bay, Wisconsin in 1838 and practiced law there, in Platteville, in Wingville, and in Montfort before serving in Congress.