Kosagoe Station (小佐越駅, Kosagoe-eki) is a railway station in the city of Nikkō, Tochigi, Japan, operated by the private railway operator Tōbu Railway.

Kosagoe Station is served by the Tōbu Kinugawa Line, with direct services to and from Asakusa in Tokyo, and is 9.9 km from the starting point of the line at Shimo-Imaichi.

[1] The station consists of one island platform connected to the station building by a footbridge.

[1] From 17 March 2012, station numbering was introduced on all Tōbu lines, with Kosagoe Station becoming "TN-54".

[2] The platform received protection by the national government as a Registered Tangible Cultural Property in 2017.