The Ōtemachi Line (大手町線, Ōtemachi-sen) is a 1.4 km light rail line owned by Iyotetsu.

The line runs entirely within the city of Matsuyama, Ehime Prefecture, Japan.

The line is electrified with overhead lines and is double-tracked for the entire line.

Three light rail services, along with the heritage railway train Botchan, serve this line.

[1][2] : Stations served by the heritage railway train Botchan[2]