Iwai Station (岩井駅, Iwai-eki) is a passenger railway station in the city of Minamibōsō, Chiba Prefecture, Japan, operated by the East Japan Railway Company (JR East).

Iwai Station is served by the Uchibō Line, and is located 73.7 km from the western terminus of the line at Soga Station.

Iwai Station was opened on August 10, 1918.

The station was absorbed into the JR East network upon the privatization of the Japan National Railways (JNR) on April 1, 1987.

[1] Media related to Iwai Station at Wikimedia Commons This Chiba Prefecture railroad station-related article is a stub.