| Bidupur Bazar | |
| Settlement Type: | Town |
| Pushpin Map: | India Bihar#India |
| Pushpin Map Caption: | Location in Vaishali, India |
| Coordinates: | 25.6514°N 85.3232°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Vaishali |
| Subdivision Type3: | CDB |
| Subdivision Name3: | Bidupur |
| Unit Pref: | Metric |
| Population As Of: | 2011 |
| Population Footnotes: | [1] |
| Population Total: | 10,934 |
| Population Density Km2: | auto |
| Timezone1: | IST |
| Utc Offset1: | +05:30 |
| Postal Code Type: | PIN |
| Postal Code: | 844503[2] |
| Blank Name Sec1: | Literacy |
| Blank Info Sec1: | 66.79 % (2011) |
| Registration Plate: | BR |
| Official Name: | Bidupur Bazar |
Bidupur Bazar is a town in Bidupur Block in the Vaishali district of Bihar, India.[3] It belongs to Tirhut Division. It is located 13 km east from the district headquarters Hajipur.