Oshima-Tsuruoka Station (渡島鶴岡駅, Oshima-Tsuruoka-eki) was a railway station on the Esashi Line in Kikonai, Hokkaido, Japan, operated by Hokkaido Railway Company (JR Hokkaido).

The station consisted of a single side platform serving a bidirectional single track.

Oshima-Tsuruoka Station opened on 30 December 1964.

[1] With the privatization of JNR on 1 April 1987, the station came under the control of JR Hokkaido.

[1] The station closed in 2014, with the last services on the line running on 11 May.