Kabiskopan Saint-Jean–Longueuil () yaiku suffragan saka Metropolitan Kabiskopan Agung Montréal ing Québec, wetan kidul Kanadha. Tahta episkopal katedrale menika Cathédrale Saint-Jean-l’Évangéliste, sing didedikasike marang Yohanes Pambaptis, ing Saint-Jean-sur-Richelieu.

Sumber lan pranala jaba 
 GCatholic, with Google map - data for all sections
 Diocese of Saint-Jean-Longueuil site (in French)

Referensi 

Kabiskopan ing Kanadha