| Jurisdiction: | Diocese |
| San Miguel | |
| Latin: | Dioecesis Sancti Michaelis |
| Country: | El Salvador |
| Metropolitan: | José Luis Escobar Alas |
| Province: | Province of San Salvador |
| Coordinates: | 13°28'58.570"N, 88°10'29.100"W |
| Area Km2: | 4,993 |
| Population: | 1,253,100 |
| Population As Of: | 2014 |
| Catholics: | 871,500 |
| Catholics Percent: | 69.5 |
| Parishes: | 47 |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 11 February 1913 (years ago) |
| Cathedral: | Cathedral-Basilica of Queen of Peace |
| Priests: | 70 |
| Bishop Title: | Bishop |
| Bishop: | Fabio Reynaldo Colindres Abarca |
| Map: | El Salvador - Diocesi di San Miguel.jpg |
The Diocese of San Miguel (Latin: Dioecesis Sancti Michaelis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in El Salvador. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of San Salvador. The Diocese of San Miguel was erected on 11 February 1913.
| Year | Along with | To form | |
|---|---|---|---|
| 1954 | Diocese of Santiago de María |