League of Mobilization in Korea (; ) was an organization in charge of Korea's during the Japanese colonial period. It was founded in 1940 by , president of the newspaper Maeil sinbo. The League was part of the Imperial Rule Assistance Association (IRAA).
This organization was targeted at people living in Korea. This included ethnic Japanese people () that lived in Korea. The central headquarters of League was the Government-General of Chà Âsen Building. The head of the organization was the Governor-General of Chà Âsen. The League campaigned under the slogan of "assimilate subjects of the Imperial state" (; ). It pushed for the militarization of Korea. When an alternative organization was established on 8 July 1945 to prepare for the mainland showdown, the league was incorporated into the Korean National Volunteer Corps (; ) and disbanded two days later.