Gunma-Ōtsu Station (群馬大津駅, Gunma-Ōtsu-eki) is a passenger railway station in the town of Naganohara, Gunma Prefecture, Japan, operated by East Japan Railway Company (JR East).

The station consists of a single side platform serving bidirectional traffic.

Gunma-Ōtsu Station was opened on 7 March 1971.

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

Media related to Gumma-Ōtsu Station at Wikimedia Commons