Isaac B. Cameron (June 15, 1851 – October 11, 1930) was a Republican politician in the U.S. state of Ohio who was Ohio State Treasurer from 1900 to 1904. Isaac Cameron was born in Nairn, Scotland in 1851. When he was an infant, his widowed mother moved with the family to a farm in Jefferson County, Ohio near Salineville. In 1855, the family moved to Salineville. Cameron attended public schools, and graduated from Iron City Business College of Pittsburgh. He acted as bookkeeper for a Lisbon firm until 1874, then was a partner and then sole proprietor of a business from 1880 to 1893.