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.

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 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.

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

[2] Media related to Nishi-Koizumi Station at Wikimedia Commons