The Kōchi-Tōbu Expressway (高知東部自動車道, Kōchi-Tōbu Jidōsha-dō) is an incomplete two-lane national expressway in Kōchi Prefecture.

It is owned and operated by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT).

There is only one lane traveling in each direction along the entirety of the expressway.

The existing portions (as of February 2019) of the expressway opened in five phases between March 2011 and April 2016.

[2] The remainder of the route is planned to be opened to traffic in phases between 2021.