Chūseinan-dō (忠清南道, Korean: 충청남도), alternatively Chūseinan Province or South Chūsei Province, was a province of Korea under Japanese rule.

Its capital was at Taiden (Daejeon).

The province consisted of modern-day South Chungcheong, South Korea.

Number of people by nationality according to the 1936 census: The following list is based on the administrative divisions of 1945: The following people were provincial ministers before August 1919.

This was then changed to the title of governor.