Higashi-Sanjō Station (東三条駅, Higashi-Sanjō-eki) is a railway station in the city of Sanjō, Niigata, Japan, operated by East Japan Railway Company (JR East).

Higashi-Sanjō Station is served by the Shinetsu Main Line, and is 96.2 kilometers from the terminus of the line at Naoetsu Station.

The station consists of one ground-level side platform, which has a partial cut-out, and a single island platform connected by a footbridge, serving four tracks.

The station has a Midori no Madoguchi staffed ticket office.

[1] With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East.