Kurahashi-jima (倉橋島), also called Nagato-jima (長門島) in ancient texts, is an island in Hiroshima Bay located in southwestern Hiroshima Prefecture, Japan.

The island is roughly T-shaped, with the northern, most mountainous lobe sandwiched between mainland Kure and Etajima island.

The island is connected to mainland of Honshu by a pair of bridges over 80 meters wide strait.

The island is served by the national route 487.

This Hiroshima Prefecture location article is a stub.