Kabiskopan Aveiro () sampun didegake sawise taun 1938. Ing taun kasebut, kabiskopan kasebut didegake saka wilayah sing diparo saka wilayah Kabiskopan Coimbra, Kabiskopan Porto lan Kabiskopan Viseu. Kabiskopan kasebut menika suffragan saka Kabiskopan Agung Braga. Ing 2012, kabiskopan kasebut nduweni 274,400 baptisan saka 314,800 penduduk.

Tahtane ing Aveiro uga menika ibu kutha distrik Aveiro. Biskope menika António Francisco dos Santos, sing kapilih ing 2006.

Pratelan Biskop Aveiro 
 António Freire Gameiro de Sousa (1774–1799)
 António José Cordeiro (1801–1813)
 Manuel Pacheco de Resende (1815–1837)
 António de Santo Ilídio da Fonseca e Silva (1840
 António Mendes Bello (1881), administrator diosesan
 João Evangelista de Lima Vidal (1940–1958)
 Domingos da Apresentação Fernandes (1958–1962)
 Manuel de Almeida Trindade (1962–1988)
 António Baltasar Marcelino (20 Januari 1988-21 September 2006)
 António Francisco dos Santos (21 September 2006-21 Februari 2014)
 António Manuel Moiterio Ramos (4 Juli 2014- )

Cathetan 

Aveiro