Category:Roman Catholic Ecclesiastical Province of Toronto

• Roman Catholic Archdiocese of Toronto‎ (1 C, 25 P)

H

• Roman Catholic Diocese of Hamilton, Ontario‎ (1 C, 3 P)
• Roman Catholic bishops of Hamilton, Ontario‎ (5 P)

R

• Roman Catholic bishops of London, Ontario‎ (8 P)
• Roman Catholic bishops of Toronto‎ (1 C, 4 P)

T

• Roman Catholic Diocese of Thunder Bay‎ (4 P)

L

• Roman Catholic Diocese of London, Ontario

S

• Roman Catholic Diocese of Saint Catharines