| Tsunan Station | |
| Style: | JR East |
| Native Name: | 津南駅 |
| Native Name Lang: | ja |
| Address: | Tomaru, Tsunan-machi, Nakauonuma-gun, Niigata-ken 949-8206 |
| Country: | Japan |
| Operator: | JR East |
| Line: | Iiyama Line |
| Distance: | 57.9 kilometers from |
| Platforms: | 1 side platform |
| Tracks: | 1 |
| Status: | staffed |
| Opened: | 1 August 1927 |
| Former: | Echigo-Tomaru (until 1968) |
| Passengers: | 80 |
| Pass Year: | FY2017 |
| Map Type: | Japan |
is a railway station in the town of Tsunan, Nakauonuma District, Niigata Prefecture, Japan operated by East Japan Railway Company (JR East).
Tsunan Station is served by the Iiyama Line, and is 57.9 kilometers from the starting point of the line at Toyono Station.
The station consists of one side platform serving a single bi-directional track. The station building is staffed, and includes an onsen public bath on its second story.
Tsunan Station opened on 1 August 1927 as . It was renamed to its present name on 1 October 1968. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East.
In fiscal 2017, the station was used by an average of 525 passengers daily (boarding passengers only).[1]