Ontakesan Station (御嶽山駅, Ontakesan-eki) is a railway station on the Tokyu Ikegami Line in Ōta, Tokyo, Japan, operated by the private railway operator Tokyu Corporation.

Ontakesan Station is served by the 10.9 km Tokyu Ikegami Line between Gotanda and Kamata, and lies 6.4 km from the starting point of the line at Gotanda.

[1] The station has two ground-level (partly elevated) side platforms serving two tracks.

[1] It was renamed Otakesan on 1 June 1933.

[1] In fiscal 2011, the station was used by an average of 23,588 passengers daily.