Robert Hagan
 Robert Emmet Hagan (March 22 1921 Youngstown Ohio – January 17 1999) was an American politician of the Democratic Party.Hagan was an ironworker in Youngstown and served as a county commissioner in Trumbull County Ohio before being elected to the Ohio General Assembly in the district of his adopted hometown of Madison Ohio. During his three terms in the legislature 1983–1989 he was known as the assembly's most liberal member. During that period Hagan's son Robert F.