| Jurisdiction: | Diocese |
| Izcalli | |
| Country: |  Mexico |
| Province: | Tlalnepantla |
| Area Km2: | 533 |
| Population As Of: | 2014 |
| Catholics: | 821,351 |
| Parishes: | 33 |
| Denomination: | Catholic Church |
| Rite: | Roman Rite |
| Established: | 9 June 2014 (years ago) |
| Cathedral: | Catedral Santa María de la Anunciación |
| Bishop: | Francisco González Ramos |
| Bishop Title: | Bishop |
The Roman Catholic Diocese of Izcalli is based in the city of Cuautitlán Izcalli, State of Mexico, Mexico. It is a suffragan see to the Archdiocese of Tlalnepantla.
On 9 June 2014 Pope Francis established the diocese from territory taken from the Diocese of Cuautitlán.[1] [2]