Dehri
| Dehri Dehri-On-Sone | |
|---|---|
| Urban Area | |
| Indrapuri Barrage at Dehri On Sone,  Dehri Junction | |
| Coordinates: 24°55′N 84°11′E / 24.91°N 84.18°E | |
| Country | India | 
| State | Bihar | 
| District | Rohtas | 
| Government | |
| • Type | Municipality | 
| • Body | Dehri Urban Development Authority (DUDA) | 
| Elevation | 52 m (171 ft) | 
| Population  (2011) | |
|  • Total | 137,231 | 
| Languages | |
| • Official | Hindi | 
| • Others | Bhojpuri | 
| Time zone | UTC+5:30 (IST) | 
| PIN | 821305,821307 | 
| Vehicle registration | BR-24 | 
| Railway Station | Dehri-on-Sone Junction | 
| Website | rohtas | 
Dehri also known as Dehri-on-Sone is a Nagar parishad and corresponding community development block in Rohtas district in the state of Bihar, India. Situated on the banks of Sone River, Dehri is a railway hub, and is adjoining Dalmianagar that used to be an industrial town.