| St. Isidore the Farmer Parish | | — | — | — | |
| St. Isidore the Farmer Parish | | — | — | — | |
| St. Isidore the Farmer Parish | | — | Dinas, 7015 | — | |
| St. Isidore Roman Catholic Parish | | — | 1129 March Road | — | |
| St. Isidore Parish Church | | — | — | — | |
| St. Isidore Parish Church | | — | — | — | |
| St. Isidore Parish Church | | — | — | — | |
| St. Isidore Parish Church | | — | — | — | |
| St. Isidore Parish Church | | — | Rizal Street | — | |
| St. Isidore Parish Church | | — | P. Diokno Street, San Luis | — | |
| St. Isidore Parish | | — | — | — | |
| St. Isidore Parish | | — | Dagami-Burauen Road | — | |
| St. Isidore Labrador Church | | — | — | — | |
| st. Isidore church | | — | — | — | |
| St. Isidore Chapel | | — | — | — | |
| St. Isidore Catholic Church | | — | — | — | |
| St. Isidore Catholic Church | | — | — | — | |
| St. Isidore Catholic Church | | — | 628 Diamond Avenue Northeast, Grand Rapids, MI 49503 | — | |
| St. Isidore Catholic Church | | — | 445 La Gonda Way | — | |
| St. Isidor und Wendelin | | — | — | — | |
| St. Isidor | | — | — | — | |
| St. Isidor | | — | — | — | |
| St. Isidor | | — | — | — | |
| St. Isidor | | — | — | — | |
| St. Isidor | | — | 6a, Merzkirchen, 54439 | — | |
| St. Isidor | | — | 1 An der Wette, Aalen, 73433 | — | |
| St. Isidor | | — | 3 Odenwaldhöhe, Buchen (Odenwald), 74722 | — | |
| St. Isidor | | — | 16 Ortsstraße, Marktoberdorf, 87616 | — | |
| St. Isadore Roman Catholic Church | | — | 622 Pulaski Street, Riverhead, NY 11901 | — | |
| St. Isadore Parish | | — | 308 County Road W, Mount Calvary, WI 53057 | — | |
| St. Isabella Church | | — | 1 Trinity Way, San Rafael, CA 94903 | — | |
| St. Isaac Jogues Catholic Church | | — | — | — | |
| St. Isaac Jogues Catholic Church | | — | — | — | |
| St. Isaac Jogues and Companions Catholic Church | | — | 5214 Lakeview Avenue, Mercer, WI 54547 | — | |
| St. Isaac Jogues | | — | 55 West Walker Road, Wayne, PA 19087 | — | |
| St. Isaac Jogues | | — | — | — | |
| St. Irminen | | — | — | — | |
| St. Irmengard vom Frauenchiemsee | | — | — | — | |
| St. Irini | | — | — | — | |
| St. Irene Chrysovalantou | | — | 66 Gough Avenue, Toronto | — | |
| St. Irene | | — | — | — | |
| St. Irenaeus Church | | — | 771 Old Perch Road, Rochester Hills, MI 48309 | — | |
| St. Iren Chrysovalantou | | — | — | — | |
| St. Iosebi | | — | — | — | |
| St. Ioannis Erimitis | | — | — | — | |
| St. Ioannis | | — | — | — | |
| St. Ioannis | | — | — | — | |
| St. Ioannes Prodromos | | — | İstanbul | — | |
| St. Ioanis Prodromos church | | — | — | — | |
| St. Inokentii Church | | — | — | — | |