| Jurisdiction: | Diocese |
| Créteil | |
| Latin: | Dioecesis Christoliensis |
| Local: | Diocèse de Créteil |
| Country: | France |
| Province: | Paris |
| Area Km2: | 245 |
| Population: | 1,309,000 (est.) |
| Population As Of: | 2013 |
| Catholics: | 773,000 (est.) |
| Catholics Percent: | 59.1 |
| Parishes: | 82 |
| Denomination: | Catholic Church |
| Established: | 9 October 1966 |
| Cathedral: | Cathedral of Notre Dame in Créteil |
| Priests: | 133 (diocesan) 150 (Religious Orders) 41 Permanent Deacons |
| Bishop: | Dominique Blanchet |
| Metro Archbishop: | Laurent Ulrich |
| Archdeacon: | for one--> |
| Map: | Diocèse de Créteil.svg |
| Map Alt: | Map of diocese of Creteil |
| Website: | Website of the Diocese of Créteil |
The Diocese of Créteil (Latin: Dioecesis Christoliensis; French: Diocèse de Créteil) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France. Erected in 1966 from a subdivision of the Archdiocese of Paris and the Diocese of Versailles, the Diocese of Créteil remains a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Paris.