The Diocese of Hpa-an (Lat: Diocesis Hpaanensis) is a Latin Catholic diocese of the Catholic Church in Hpa-An, Kayin State. The diocese was erected on January 24, 2009 from the Archdiocese of Yangon. The current bishop of the diocese is Stanislaus Min Ko, who succeeded Justin Saw Min Thide, the first bishop of the Diocese, on 26 March 2026.