| Jurisdiction: | Diocese |
| Chikmagalur | |
| Latin: | Dioecesis Chikmagalurensis |
| Local: | ಚಿಕ್ಕಮಗಳೂರು ಧರ್ಮಕ್ಷೇತ್ರ |
| Country: |  India |
| Rite: | Latin Rite |
| Cathedral: | St. Joseph’s Cathedral in Chikmagalur |
| Area Km2: | 14,015 |
| Population: | 3,014,000 |
| Population As Of: | 2006 |
| Catholics: | 36,819 |
| Catholics Percent: | 1.2 |
| Metro Archbishop: | Peter Machado |
| Website: | Website of the Diocese |
| Map: | Map of Roman Catholic Diocese of Chikmagalur.png |
The Roman Catholic Diocese of Chikmagalur (Latin: Chikmagaluren(sis)) is a diocese located in the city of Chikmagalur in the ecclesiastical province of Bangalore in India.