Diocese of Chicago
Diocese of Chicago may refer to:
- Catholic
 
- Roman Catholic Archdiocese of Chicago
 - St. Thomas Syro-Malabar Catholic Diocese of Chicago
 - Ukrainian Catholic Eparchy of Chicago
 
- Orthodox
 
- Diocese of Chicago and Mid-America (ROCOR)
 - Metropolis of Chicago (Patriarchate of Constantinople)
 - Orthodox Church in America Diocese of the Midwest (cathedra in Chicago)
 
- Anglican
 
- Lutheran