was a town located in Nishikunisaki District, Ōita Prefecture, Japan.
As of 2003, the town had an estimated population of 3,604 and a density of 95.62 persons per km<sup>2</sup>. The total area was 37.69 km<sup>2</sup>.
On March 31, 2005, Kakaji, along with the town of Matama (also from Nishikunisaki District), was merged into the expanded city of Bungotakada.