| Jurisdiction: | Diocese |
| Carabayllo | |
| Latin: | Dioecesis Carabaillensis |
| Border: | catholic |
| Country: |  Peru |
| Rite: | Latin Rite |
| Area Km2: | 1,200 |
| Population: | 2,300,000 |
| Population As Of: | 2004 |
| Catholics: | 2,000,000 |
| Catholics Percent: | 87.0 |
| Auxiliary Bishops: | Guillermo Teodoro Elías Millares |
The Roman Catholic Diocese of Carabayllo (Latin: Carabaillen(sis)) is a diocese located in the city of Carabayllo within the ecclesiastical province of Lima in Peru.