Mihara (美原町 Mihara-chō) was a town located in Minamikawachi District, Osaka Prefecture, Japan.
As of 2003, the town had an estimated population of 38,956 and a density of 2,951.21 persons per km². The total area was 13.20 km².
On February 1, 2005 Mihara was merged into the city of Sakai and now forms Mihara-ku in Sakai.