Iwamoto Station (岩本駅, Iwamoto-eki) is a passenger railway station in the city of Numata, Gunma, Japan, operated by the East Japan Railway Company (JR East).

Iwamoto Station is a station on the Jōetsu Line, and is located 36.3 kilometers from the starting point of the line at Takasaki.

The station has a single side platform and a single island platform connected to the station building by a footbridge; however, one side of the island platform is not in use. The station is unattended.

1	■ Jōetsu Line	for Shibukawa and Takasaki
3	■ Jōetsu Line	for Minakami, Nagaoka

Iwamoto Station opened on 31 March 1924. Upon the privatization of the Japanese National Railways (JNR) on 1 April 1987, it came under the control of JR East. A new station building was completed in March 2010.

• Tone River
• National Route 17

• List of railway stations in Japan

Media related to Iwamoto Station (Gunma) at Wikimedia Commons

• Station information (JR East) (in Japanese)