The Hinooka Kofun (日岡古墳) is a Kofun period burial mound, located in the Yoshii neighborhood of the city of Ukiha, Fukuoka Prefecture Japan. The tumulus was designated a National Historic Site of Japan in 1928. Together with the nearby Tsukioka Kofun and Tsukado Kofun, it forms the Wakamiya Kofun Cluster.