The Kōnan Railway Company (弘南鉄道株式会社, Kōnan Tetsudō Kabushiki-gaisha), also known as Konan Tetsudo, is a railway company that provides transportation services in western Aomori Prefecture, Japan.

The company operates two regional railway lines: the Kōnan Line, which connects Hirosaki Station in the city of Hirosaki and Kuroishi Station in the city of Kuroishi, and the Ōwani Line, which connects Hirosaki with Ōwani Station on the JR Ōu Main Line.

The company was founded on March 27, 1926, and began operations between Hirosaki and Tsugaru-Onoe Station on September 7, 1927.

Bus operations began on June 24, 1931, and were divested to a subsidiary company (the forerunner of the Kōnan Bus Company on April 17, 1940.

On July 25, 1949, the Hirosaki Electric Railway (弘前電気鉄道株式会社, Hirosaki Denki-Tetsudō Kabushika-kaisha) was established, and connected Ōwani Station with Chuo-Hirosaki Station by January 26, 1952.