| Tosa-Ananai Station | |
| Native Name: | 土佐穴内駅 |
| Native Name Lang: | ja |
| Address: | Ananai, Ōtoyo-chō, Nagaoka-gun, Kōchi-ken 789-0307 |
| Country: | Japan |
| Operator: | JR Shikoku |
| Line: | Dosan Line |
| Distance: | 83.2 km from |
| Platforms: | 1 side platform |
| Tracks: | 1 |
| Parking: | Available |
| Bicycle: | Bike shed |
| Accessible: | No - steps lead up to platform |
| Code: | D31 |
| Status: | unstaffed |
| Passengers: | 6 |
| Pass Year: | FY2019 |
| Map Type: | Japan Kochi Prefecture#Japan |
| Map Dot Label: | Tosa-Ananai Station |
is a passenger railway station located in the town of Ōtoyo, Nagaoka District, Kōchi Prefecture, Japan. It is operated by JR Shikoku and has the station number "D31".[1]
The station is served by JR Shikoku's Dosan Line and is located 83.2 km from the beginning of the line at .[2]
The station, which is unstaffed, consists of a side platform serving a single track. By the side of the access road, a waiting room and bike shed have been erected. From there, a short flight of steps leads up to the platform which also has a weather shelter.[3]
The station opened on 28 October 1934 when the then Kōchi Line was extended northwards from to . At this time the station was operated by Japanese Government Railways, later becoming Japanese National Railways (JNR). With the privatization of JNR on 1 April 1987, control of the station passed to JR Shikoku.
The station is a little far from the village of Anai, and there are few private houses around the station.