| Cathedral of Saint Peter | |
|---|---|
| Basic information | |
| Location | Rockford, Illinois United States |
| Affiliation | Roman Catholic Church |
| Province | Archdiocese of Chicago |
| District | Diocese of Rockford |
| Leadership | Bishop of Rockford |
| Website | Cathedral of Saint Peter |
| Architectural description | |
| Specifications | |
The Cathedral of Saint Peter is the mother church of the Roman Catholic Diocese of Rockford.