| Gamhariya Birta | |
| Native Name: | गम्हरिया बिर्ता |
| Settlement Type: | Village Development Committee |
| Mapsize: | 300px |
| Pushpin Map: | Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Coordinates: | 27°N 85.3°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Zone |
| Subdivision Type2: | District |
| Subdivision Name1: | Narayani Zone |
| Subdivision Name2: | Rautahat District |
| Population Total: | 7,766 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
Gamhariya Birta is a village development committee (VDC) in Rautahat District in the Narayani Zone of south-eastern Nepal. As of the 2011 census, it had a population of 7,766 people living in 1,059 individual households. There were 3,912 males and 3,854 females, with sex ratio 101.50, at the time of the census.
The VDC has 9 wards. Wards 1, 2 and 3 comprise in Aakarpathar village; wards 4, 5 and 6 in Bhusaha village; wards 7 and 8 in Bahuary village; and ward 9 in Baragajawa village as sub locality.