Category:Roman Catholic churches in Illinois

• Basilica churches in Illinois‎ (1 C)
• Roman Catholic cathedrals in Illinois‎ (6 P)

B

• Churches in the Roman Catholic Diocese of Belleville‎ (3 P)

C

• Churches in the Roman Catholic Archdiocese of Chicago‎ (1 C, 13 P)
• Churches in the Roman Catholic Diocese of Springfield in Illinois‎ (2 P)

J

• Churches in the Roman Catholic Diocese of Joliet in Illinois‎ (3 P)

P

• Churches in the Roman Catholic Diocese of Peoria‎ (3 P)

R

• Churches in the Roman Catholic Diocese of Rockford‎ (4 P)