Kokokei Station (古虎渓駅, Kokokei-eki) is a railway station in the city of Tajimi, Gifu Prefecture, Japan, operated by Central Japan Railway Company (JR Tōkai).

Kokokei Station is served by the JR Tōkai Chūō Main Line, and is located 363.3 kilometers from the official starting point of the line at Tokyo and 31.6 kilometers from Nagoya.

The station has two ground-level side platforms connected by a footbridge.

It was opened as a full passenger station on 1 November 1952 as part of Japan National Railways.

This opened in 1966, as part of the doubling and electrification of the railway, replacing a series of tunnels on a route that ran closer to the edge of the river.