The Yahiko Line (弥彦線, Yahiko-sen) is a Japanese railway line operated by East Japan Railway Company (JR East) which connects Yahiko Station in the village of Yahiko and Higashi-Sanjō Station in the city of Sanjo, both in Niigata Prefecture.

All trains on the line operate as local services stopping at all stations.

Symbols: New E129 series EMUs were introduced on local services on the line from fiscal 2014.

[1] The Echigo Railway opened the Yahiko to Yoshida section in 1916 and extended the line to Higashi-Sanjo in 1926.

[citation needed] Freight services ceased in 1960, and the line was electrified in 1984.