Jōshū-Nankaichi Station (上州七日市駅, Jōshū-Nanokaichi-eki) is a passenger railway station in the city of Tomioka, Gunma, Japan, operated by the private railway operator Jōshin Dentetsu.

Jōshū-Nanokaichi Station is a station on the Jōshin Line, and is 21.8 kilometers from the terminus of the line at Takasaki.

The station consists of a single side platform serving traffic in both directions.

Jōshū-Nanokaichi Station opened on 25 April 1912 as Nanokaichi Station (七日市駅, Nanokaichi-eki). It was renamed to its present name on 17 December 1921.

• National Route 254

• List of railway stations in Japan

Media related to Jōshū-Nanokaichi Station at Wikimedia Commons

• Jōshin Dentetsu (in Japanese)
• Burari-Gunma (in Japanese)