| Jurisdiction: | Diocese |
| Ciudad Victoria | |
| Latin: | Dioecesis Civitatis Victoriensis |
| Local: | Diócesis de Ciudad Victoria |
| Country: | Mexico |
| Province: | Province of Monterrey |
| Area Sqmi: | 15,341 |
| Population: | 463,762 |
| Population As Of: | 2006 |
| Catholics: | 387,241 |
| Catholics Percent: | 83.5 |
| Parishes: | 33 |
| Denomination: | Catholic Church |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | 21 December 1964 (years ago) |
| Cathedral: | Cathedral of the Sacred Heart of Jesus |
| Bishop: | Oscar Efraín Tamez Villarreal |
| Metro Archbishop: | Rogelio Cabrera López |
| Emeritus Bishops: | Antonio González Sánchez |
| Website: | www.diocesisdevictoria.org |
The Diocese of Ciudad Victoria (Latin: Dioecesis Civitatis Victoriensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Mexico. It is a suffragan in the ecclesiastical province of the metropolitan Archdiocese of Monterrey. The diocese was erected on 21 December 1964.