Kabiskopan Alexandria–Cornwall () yaiku kabiskopan Katulik Roma sing kalebu bagean paling wetan saka Provinsi Ontario. Kabiskopan kasebut didegake dening Paus Leo XIII ing 23 Januari 1890. Kabiskopan kasebut sadurunge nyambut gawe karo jeneng Kabiskopan Alexandria ing Ontario.

Ing 6 Mei 2020, kabiskopan iji dinyawijike karo Kabiskopan Agung Ottawa, supaya obah jenenge dadi Kabiskopan Agung Ottawa-Cornwall.

Biskop 
 Alexander Macdonell (1890-1905)
 William Andrew Macdonell (1906-1920)
 Félix Couturier (1921-1941)
 Rosario L. Brodeur (1941-1966)
 Adolphe E. Proulx (1967-1974)
 Eugène Philippe LaRocque (1974–2002)
 Paul-André Durocher (2002–2011)
 Marcel Damphousse (2012–2015)
 Terrence Prendergast (2015-2018 minangka Administrator Apostolik, 2018-2020 minangka Biskop)

Referensi 

 Official website of the diocese 
 Diocese of Alexandria-Cornwall page at catholichierarchy.org retrieved July 18, 2006

Alexandria-Cornwall