Ōshima (大島村 Ōshima-mura) was a village located in Higashikubiki District, Niigata, Japan.
As of 2003, the village had an estimated population of 2,312 and a density of 32.27 persons per km². The total area was 71.64 km².
On January 1, 2005 Ōshima, along with the town of Yasuzuka, the villages of Maki and Uragawara, all from Higashikubiki District, the towns of Itakura, Kakizaki, Ōgata and Yoshikawa, the villages of Kiyosato, Kubiki, Nakagō and Sanwa, all from Nakakubiki District, and the town of Nadachi, from Nishikubiki District, was absorbed into the expanded city of Jōetsu.