| Mayankhu | |
| Native Name: | मयाँखु |
| 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: | Sagarmatha Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Udayapur District |
| Population As Of: | 1991 |
| Population Total: | 2575 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 27.11°N 86.36°W |
Mayankhu is a village in Katari Municipality of Udayapur District. This was previously a village development committee in Udayapur District in the Sagarmatha Zone of south-eastern Nepal. At the time of the 1991 Nepal census it had a population of 2575.[1]