Nishi-Koizumi Station (西小泉駅, Nishi-Koizumi-eki) is a passenger railway station in the town of Ōizumi, Gunma, Japan, operated by the private railway operator Tōbu Railway. It is numbered "TI-46".

Nishi-Koizumi Station is a terminal station of the Tōbu Koizumi Line, and is located 13.2 kilometers from the opposing terminus of the line at Tatebayashi.

The station consists of a single dead-headed island platform connected to the station building by a footbridge.

1,2

■ Tōbu Koizumi Line

for Higashi-Koizumi for Tatebayashi

The first station was originally opened to serve the Koizumi plant of Nakajima Aircraft Company as a station of Sengoku-Kashi Freight Line operated by Tōbu Railway company on December 1, 1941. There were 32 services of a day between Nishi-Koizumi station and Ōta Station.

From March 17, 2012, station numbering was introduced on all Tōbu lines, with Nishi-Koizumi Station becoming "TI-46".

In fiscal 2019, the station was used by an average of 1523 passengers daily (boarding passengers only).

• Sanyo Electric factory
• Subaru Ōizumi factory
• Ōizumi Town Hall
• Oizumi College of Social Workers

• List of railway stations in Japan

• Zenkoku Tetsudo Jijo Daikenkyu ISBN 4-7942-1291-7
• Ekisha Saihakken ISBN 4-533-03675-9
• Tetsudo Haisen Ato o Aruku ISBN 4-533-02743-1

Media related to Nishi-Koizumi Station at Wikimedia Commons

• Tobu station information (in Japanese)