Roman Catholic Diocese of Oeiras
The Roman Catholic Diocese of Oeiras is a Latin suffragan diocese in the Ecclesiastical province of Teresina in northeastern Brazil.
Its cathedral episcopal see is Catedral Nossa Senhora da Vitória, dedicated to Our Lady of Victory, in the city of Oeiras in the Brazilian state of Piauí.Statistics
As per 2014, it pastorally served 125,000 Catholics on 15,096 km² in 20 parishes with 20 priests, 17 lay religious and 6 seminarians.History
Episcopal ordinaries
;Suffragan Bishops of Oeiras
;Suffragan Bishops of Oeiras – Floriano
;''Suffragan Bishops of Oeiras