| Official Name: | Chainpur |
| Native Name: | चैनपुर |
| Settlement Type: | Municipality |
| Pushpin Map: | Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Zone |
| Subdivision Name1: | Seti Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Bajhang District |
| Population As Of: | 1991 |
| Population Total: | 4143 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Population Blank2: | Hindu |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 29.55°N 93°W |
| Postal Code Type: | Postal code |
| Postal Code: | 10500 |
| Area Code: | 092 |
Chainpur is an ancient town in Jaya Prithvi Municipality and headquarters of Bajhang District in the Seti Zone of north-western Nepal. The formerly Village Development Committee was merged to form new municipality from 18 May 2014. At the time of the 1991 Nepal census it had a population of 4,143 and had 759 houses in the village.[1] It has a grass runway in town with limited flights. From 1990-2002 the Peace Corps operated in Chainpur.
Sydney Wignall's 'Prisoner in Red Tibet'[2] and 'Spy on the Roof of the World':[3] the story starts and finishes in Chainpur.
To Promote local culture Chainpur has two Community radio Station. one is jayaprithvi FM - 96.3 MHz and Bajhang FM.