Kabiskopan Valleyfield () yaiku kabiskopan Katulik ing Quebec lan suffragan saka Kabiskopan Agung Montreal. Kabiskopan kasebut didegake ing 1892.

Pimpinan 

 Joseph-Médard Émard (1892–1922)
 Felix-Raymond-Marie Rouleau O.P. (1923–1926)
 Joseph Alfred Langlois (1926–1966)
 Percival Caza (1966–1969)
 Guy Bélanger (1969–1975)
 Robert Lebel (1976–2000)
 Luc Cyr (2001–2011)
 Noël Simard (sawise 2011)

Referensi 

Valleyfield
Salaberry-de-Valleyfield