| Chelyustnitsa | |
| Native Name: | Челюстница |
| Native Name Lang: | bg |
| Pushpin Map: | Bulgaria |
| Settlement Type: | Village |
| Subdivision Type: | Country |
| Subdivision Name: |  Bulgaria |
| Subdivision Type1: | Oblast |
| Subdivision Type2: | Opština |
| Subdivision Name1: | Montana |
| Subdivision Name2: | Chiprovtsi |
| Leader Party: | GERB |
| Leader Title: | Mayor (Municipality) |
| Leader Name: | Plamen Petkov |
| Area Total Km2: | 10.693 |
| Elevation M: | 345 |
| Population Total: | 79 |
| Population As Of: | 2024 |
| Population Density Km2: | auto |
| Coordinates: | 43.4333°N 23°W |
| Postal Code: | 3465 |
| Area Code: | 09552 |
| Registration Plate: | M |
Chelyustnitsa (bg|Челюстница) is a village in northwestern Bulgaria, part of Chiprovtsi Municipality, Montana Province.[1]