Hajime Ishii (石井 一, Ishii Hajime, August 17, 1934 – June 4, 2022) was a Japanese politician. He was in the Diet (national legislature) for 39 years between 1969 and 2013. He was born in Kobe, Japan. During his time in the Diet he was the head of the National Land Agency for six months in 1989 to 1990 and as Minister for Home Affairs for two months in 1994.