Diocese of Campo Maior Dioecesis Campi Maioris
Cathedral of St. Anthony
Location
Country	Brazil
Ecclesiastical province	Teresina
Statistics
Area	27,943 km2 (10,789 sq mi)
Population - Total - Catholics	(as of 2006) 329,856 304,234 (92.2%)
Information
Rite	Latin Rite
Established	12 June 1975 (48 years ago)
Cathedral	Catedral Santo Antônio
Current leadership
Pope	Francis
Bishop	Francisco de Assis Gabriel dos Santos
Metropolitan Archbishop	Jacinto Furtado de Brito Sobrinho

The Roman Catholic Diocese of Campo Maior (Latin: Dioecesis Campi Maioris) is a Latin suffragan diocese in the ecclesiastical province of Teresina, in northeastern Brazil's Piauí state.

Its cathedral episcopal see is Catedral Santo Antônio, dedicated to Saint Anthony, in the city of Campo Maior, Piauí.

History

• Established 12 June 1975 as Diocese of Campo Maior on territories split off from the Diocese of Parnaíba and its Metropolitan Archdiocese of Teresina

Statistics

As per 2014, it pastorally served 354,000 Catholics (94.9% of 373,000 total) on 27,943 km² in 31 parishes and 419 missions with 35 priests (34 diocesan, 1 religious), 1 deacon, 23 lay religious (1 brother, 22 sisters) and 10 seminarians.

Bishops

(all Roman rite)

Episcopal ordinaries

Suffragan Bishops of Campo Maior

• Abel Alonso Núñez, Mercederians (O. de M.) (1976.03.24 – retired 2000.02.02), previously Auxiliary Bishop of the then Territorial Prelature of Bom Jesus do Piauí (Brazil) (1971.07.14 – 1976.03.24) & Titular Bishop of Nicives (1971.07.14 – 1976.03.24)
• Eduardo Zielski (2000.02.02 – 2016.03.02), next Bishop of São Raimundo Nonato, Piaui (2016.03.02 - present)
• Francisco de Assis Gabriel dos Santos, Redemptorists (C.SS.R.) (2017.06.21 – ...), no previous prelature.

So far, the diocese has had no auxiliary bishop.

Other priest of this diocese who became bishop

• Juarez Sousa Da Silva, appointed Bishop of Oeiras, Piaui in 2008