| Official Name: | Dolni Tsibar |
| Native Name: | Долни Цибър |
| Settlement Type: | Village |
| Pushpin Map: | Bulgaria |
| Pushpin Label Position: | Location in Bulgaria |
| Subdivision Name: |  Bulgaria |
| Subdivision Type1: | Province |
| Subdivision Name1: | Montana Province |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Valchedram |
| Population As Of: | February 2011 |
| Population Total: | 1,586 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 43.8167°N 23.5167°W |
Dolni Tsibar is a village in Valchedram Municipality, Montana Province, northwestern Bulgaria.[1]
It is the site of the Roman fort of Cebrus on the Danubian Limes frontier system along the Danube.[2]
Most people are Romani and belong to the Bulgarian Orthodox Church. The village Dolni Tsibar is one of the few places with a constant population increase over the years, mainly due to its high birth rate. Dolni Tsibar has a median age of 30 years old: children under 15 years old constitute around 25% of the population, while elderly (65+) constitute less than 7%.