| Sonbarsha | |
|---|---|
| Constituency No. 74 for the Bihar Legislative Assembly | |
 | |
| Constituency details | |
| Country | India |
| Region | East India |
| State | Bihar |
| District | Saharsa |
| Established | 1951 |
| Elected year | 2020 |
Sonbarsha is an assembly constituency in Saharsa district in the Indian state of Bihar. It has been reserved for scheduled castes since 2010. Earlier, it was an open seat.