| Official Name: | Naya Gaun |
| Native Name: | नयाँगाउँ |
| Pushpin Map: | Nepal Lumbini Province# Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 360 |
| Pushpin Map Caption: | Location in Lumbini Province |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lumbini Province |
| Subdivision Type2: | District |
| Subdivision Name2: | Bardiya District |
| Population As Of: | 1991 |
| Population Total: | 4,741 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Utc Offset: | +5:45 |
Naya Gaun is a town and market place in Rajapur Municipality in Bardiya District in Lumbini Province of south-western Nepal. The former village development committee (VDC) was merged with Daulatpur, Naya Gaun, Badalpur, Bhimapur and Rajapur VDCs to form the new municipality on 18 May 2014.[1] [2] At the time of the 1991 Nepal census it had a population of 4,741 and had 544 houses in the town.[3]