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)