Saints Peter and Paul Cathedral is a Roman Catholic cathedral located at Fourteenth and Meridian Streets in Indianapolis, Indiana, United States. It is the seat of theArchdiocese of Indianapolis, and of the Archbishop of Indianapolis, currently ArchbishopJoseph William Tobin. Silas Chatard, the first Bishop of Indianapolis, established the cathedral parish in 1892, and named it after Saint Peter and Saint Paul, two apostles ofChrist. The cathedral parish became known for its liturgical celebrations and sacred music performances.

The architectural firm of Renwick, Aspinwall and Russell, W. L. Coulter of New York designed the Classical Revival-style cathedral, adjacent chapel, and bishop's residence (rectory). The cathedral complex was built in stages. The rectory and chapel were completed in 1892. The cathedral and a temporary facade were built between 1905 and 1907; the permanent facade was erected in 1936. The high altar of the unfinished cathedral was consecrated on December 21, 1906.