List of Catholic dioceses

This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article includes a list of general references but lacks sufficient corresponding inline citations. Please help improve this article by introducing more precise citations. (July 2017) (Learn how and when to remove this message) This article needs more citations. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "List of Catholic dioceses" – news · newspapers · books · scholar · JSTOR (June 2026) (Learn how and when to remove this message) This article's lead section may be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article. (June 2026) (Learn how and when to remove this message) (Learn how and when to remove this message) As of June 21, 2024, the Catholic Church comprises 3,172 ecclesiastical jurisdictions worldwide, including over 652 archdioceses and 2,250 dioceses. It also includes various other jurisdictions such as apostolic vicariat