| Rankoshi Station | |
| Native Name: | 蘭越駅 |
| Native Name Lang: | ja |
| Style: | JR Hokkaido |
| Address: | 853 Rankoshi, Isoya |
| Borough: | Hokkaido Prefecture |
| Country: | Japan |
| Coordinates: | 42.804°N 140.5287°W |
| Line: | Hakodate Main Line |
| Distance: | from |
| Platforms: | 2 side platforms |
| Tracks: | 2 |
| Structure: | At grade |
| Code: | S27 |
| Map Type: | Japan Hokkaido#Japan |
is a railway station on the Hakodate Main Line in Rankoshi, Hokkaido, Japan, operated by the Hokkaido Railway Company (JR Hokkaido). It is numbered "S27".[1]
The station is served by the Hakodate Main Line and is located 163.4 km from the start of the line at . Besides local trains, the Rapid Niseko Liner for begins its run from the station.[2]
The station consists of two opposed side platforms serving two tracks. It is operated by Rankoshi municipal authority. Ordinary tickets, express tickets, and reserved-seat tickets for all JR lines are on sale.
The station was opened on 15 October 1904 by the private Hokkaido Railway as an intermediate station during a phase of expansion when its track from to was extended to link up with stretches of track further north to provide through traffic from Hakodate to . After the Hokkaido Railway was nationalized on 1 July 1907, Japanese Government Railways (JGR) took over control of the station. On 12 October 1909 the station became part of the Hakodate Main Line. On 1 April 1987, with the privatization of Japanese National Railways (JNR), the successor of JGR, the station came under the control of JR Hokkaido. From 1 October 2007, station numbering was introduced on JR Hokkaido lines, with Rankoshi Station becoming "S27".[3]