| Demographics1 Title1: | Official |
| Area Total Km2: | 5.86 |
| Elevation M: | 75 |
| Population Total: | 6,476 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Language |
| Demographics1 Info1: | Hindi[1] |
| Demographics1 Title2: | Regional |
| Demographics1 Info2: | Bhojpuri |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN Code |
| Postal Code: | 802201 |
| Registration Plate: | BR-03 |
| Website: | https://bhojpur.nic.in/ |
| Official Name: | Narayanpur |
| Subdivision Type3: | Block/Tehsil |
| Unit Pref: | Metric |
| Pushpin Map Caption: | Location in Bihar, India |
| Settlement Type: | Village |
| Pushpin Map: | India Bihar#India |
| Coordinates: | 25.3765°N 84.6079°W[2] |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Bhojpur |
| Subdivision Name3: | Agiaon |
Narayanpur is a village in Agiaon block, Bhojpur district of Bihar, India. As of 2011, its population was 6,476 in 961 households.[3]