The Roman Catholic Diocese of Cheongju (Latin: Dioecesis Cheongiuensis) is a diocese of the Latin Church of the Catholic Church located in Cheongju, South Korea.

The current bishop is Gabriel Chang Bong-hun, appointed in 1999.

On 23 June 1958, Pope Pius XII erected the Apostolic Vicariate of Cheongju.

It was elevated to a diocese by Pope John XXIII on 10 March 1962.

This article on a Roman Catholic diocese in Asia is a stub.