The Yamagata Shinkansen (山形新幹線) is a Mini-shinkansen route in Japan, and is a part of the JR East railway company. It provides service between Tokyo and Shinjō in Yamagata Prefecture over the tracks of the Tōhoku Shinkansen and the Ōu Main Line.
Trains consist of 7-car 400 series and E3 series trainsets operating as Tsubasa services. Between Tokyo and Fukushima, the trains run coupled to Yamabiko trains on the Tōhoku Shinkansen. Between Fukushima and Shinjō, the trains run on their own.
The stations consist of those on the segment of the Tōhoku Shinkansen plus the following:
|Fukushima||福島||0.0||Tōhoku Shinkansen, Tōhoku Main Line, Ōu Main Line, Abukuma Express Line, Iizaka Line||Fukushima||Fukushima Prefecture|
|Yonezawa||米沢||40.1||Ōu Main Line, Yonesaka Line||Yonezawa||Yamagata Prefecture|
|Takahata||高畠||49.9||Ōu Main Line||Takahata|
|Akayu||赤湯||56.1||Ōu Main Line, Flower Nagai Line||Nanyō|
|Kaminoyama Onsen||かみのやま温泉||75.0||Ōu Main Line||Kaminoyama|
|Yamagata||山形||87.1||Senzan Line, Aterazawa Line, Ōu Main Line||Yamagata|
|Tendō||天童||100.4||Ōu Main Line||Tendō|
|Sakurambo Higashine||さくらんぼ東根||108.1||Ōu Main Line||Higashine|
|Murayama||村山||113.5||Ōu Main Line||Murayama|
|Ōishida||大石田||126.9||Ōu Main Line||Ōishida|
|Shinjō||新庄||148.6||Ōu Main Line, Rikuu East Line, Rikuu West Line||Shinjō|