Bonotsu (坊津町; Bōnotsu-chō) was a town located in Kawanabe District, Kagoshima, Japan.
On November 7, 2005 Bonotsu was merged with the town of Kinpō, from Hioki District, the towns of Kasasa and Ōura, all from Kawanabe District, and the old city of Kaseda, to form the new city of Minamisatsuma and no longer exists as an independent municipality.
As of 2003, the town had an estimated population of 4,387 and the density of 113.62 persons per km². The total area was 38.61 km².