Hamajima (浜島町 Hamajima-chō) was a town located in Shima District, Mie, Japan.
On October 1, 2004 Hamajima was merged without me to the towns of Ago, Daiō, Isobe and Shima, all from Shima District, to form the new city of Shima and no longer exists as an independent municipality.
As of 2003, the town had an estimated population of 5,686 and a density of 205.72 persons per km². The total area was 27.64 km².