The Tōhō Line (東豊線, Tōhō-sen) is a rubber-tyred metro line in Sapporo, Hokkaido, Japan, operated by Sapporo City Transportation Bureau.

The first of a fleet of 20 new 9000 series four-car EMUs was introduced on the Tōhō Line in May 2015.

[1] Built by Kawasaki Heavy Industries in Kobe, the first trainset was unveiled to the media in November 2014.

[1] From 1988 to 2016, the line was operated using a fleet of 20 four-car 7000 series EMUs (sets 7101 to 7120).

[5] Platform edge doors are to be installed at all Tōhō Line stations by fiscal 2016.