Cape Hachiman (Isumi, Chiba) (八幡岬 Hachiman-misaki) is a cape on the Pacific Ocean, in the Ōhara area of the city of Isumi, in the southeast area of Chiba Prefecture, Japan. There are two Cape Hachimans located in close proximity to one another: Cape Hachiman in Isumi, and Cape Hachiman a few kilometers to the south in the city of Katsuura City. The cape is named after Hachiman, a mythological Japanese god of archery and war.