| Dahiyar | |
| Native Name: | दहियार |
| Settlement Type: | Village Development Committee |
| 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: | Narayani Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Bara District |
| Population As Of: | 2011 |
| Population Total: | 7161 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 27.01°N 85.06°W |
Dahiyar is a town and Village Development Committee in Bara District in the Narayani Zone of south-eastern Nepal. At the time of the 2011 Nepal census it had a population of 7,161 persons living in 1,134 individual households. There were 3,720 males and 3,441 females at the time of census.[1]