| Madhopur | |
| Settlement Type: | Village |
| Pushpin Map: | Bihar |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 26.34°N 84.45°W |
| Subdivision Type: | Country |
| Subdivision Name: | India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Siwan |
| Subdivision Type3: | Block |
| Subdivision Name3: | Barharia |
| Government Type: | Bihar Government |
| Unit Pref: | Metric |
| Elevation M: | 70.198 |
| Population Total: | 11047 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Bhojpuri, Hindi, Urdu, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 841232 |
| Area Code Type: | Telephone code |
| Area Code: | 06154 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 806 per 1000 ♂/♀ |
Madhopur is a village in Barharia block of Siwan district in the Indian state of Bihar. It is located 2 kilometers (1.24 mi) north of the Barharia block at Barharia-Gopalganj road, It is located east of the district headquarters Siwan and from the state capital Patna. Madhopur is surrounded by Sahpur to the north, Barasra south, Chhatisi east, and Rasulpur to the west. Barharia, Siwan, Gopalganj, Mirganj, Barauli and Thawe are nearby towns.
There are six villages in Madhopur Panchayat: Madhopur, Kalu Chhapra, Nirkhi Chhapra, Mira Chhapra, Chhakka Tola (Azad Nagar) and Nasir Chhapra
Languages spoken in Madhopur include Bhojpuri (a language in the Bihari language group with almost 40,000,000 speakers), written in both the Devanagari (English) and Kaithi scripts.
The village is represented by MP XI Cricket Club and Sadbhawna Volleyball Club.
Madhopur is well connected with Barharia, Gopalganj and Mirganj by local taxi services on shared basis and with Patna by the Gopalganj-Patna bus service (via Barharia, Siwan and Chhapra) which one can board at Madhopur Middle School bus stand. The nearest railway station is Siwan Junction.
SH-45 (Gopalganj Maharajganj Road) and MDR 24 (Mirganj Barharia Road) state highway pass through the village.