| Sông Cầu | |
| Settlement Type: | Urban ward |
| Pushpin Label Position: | top |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Vietnam |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bắc Kạn |
| Subdivision Type2: | District |
| Subdivision Name2: | Bắc Kạn |
| Unit Pref: | Imperial |
| Area Total Km2: | 4.32 |
| Population Total: | 6342 |
| Population Density Km2: | 1468 |
| Population Blank1 Title: | Ethnicities |
| Timezone Link: | Time in Vietnam |
| Timezone: | Indochina Time |
| Utc Offset: | +07:00 |
Sông Cầu is an urban ward (phường) of Bắc Kạn, Bắc Kạn Province, in Vietnam.