Tosa-Nagaoka Station (土佐長岡駅, Tosa-Nagaoka-eki) is a passenger railway station located in the city of Nankoku, Kōchi Prefecture, Japan.

[3][4] The station, which is unstaffed, consists of a side platform serving a single track.

At that time the station was operated by Japanese National Railways (JNR).

With the privatization of JNR on 1 April 1987, control of the station passed to JR Shikoku.

[3][5] This Kōchi Prefecture railroad station-related article is a stub.