Ryūshin Takeuchi (竹内龍臣, Takeuchi Ryūshin, born December 11, 2001 in Sapporo, Hokkaido, Japan) is a Japanese professional baseball pitcher for the Chunichi Dragons of Nippon Professional Baseball (NPB).

On October 17, 2019, Takeuchi was selected as the 6th draft pick for the Chunichi Dragons at the 2019 NPB draft [jp][1] and on 5 November signed a provisional contract with a ¥25,000,000 sign-on bonus and a ¥5,500,000 yearly salary.

[2] On November 26, 2020, Takeuchi re-signed with Dragons.

[3] On 8 October 2024, it was announced he had been released by the team.

This biographical article relating to a Japanese baseball pitcher is a stub.