Hiroshi Okada

is a Japanese politician of the Liberal Democratic Party (LDP), a former member of the House of Councillors in the Diet (national legislature) affiliated to the revisionist lobby Nippon Kaigi.

A native of Mito, Ibaraki and graduate of Ritsumeikan University, Okada had served in the assembly of Ibaraki Prefecture since 1986 and as mayor of Mito for three terms since 1993. In 2003 he was elected to the House of Councillors for the first time. He also held the following political positions: State Minister of Cabinet Office; State Minister for Reconstruction; Parliamentary Vice-Minister of Health, Labour and Welfare; Chief Director, Committee on Financial Affairs, HC; Chairperson, Committee on Cabinet, HC; and Director, Cabinet Division, LDP.