| Thechaya | |
| Native Name: | ठेचाया |
| Settlement Type: | Municipality |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 360 |
| Pushpin Map Caption: | Location in Nepal |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Zone |
| Subdivision Name1: | Karnali Zone |
| Subdivision Type2: | District |
| Subdivision Name2: | Humla District |
| Population As Of: | 1991 |
| Population Total: | 1664 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
Thechaya is a village and municipality in Humla District in the Karnali Zone of north-western Nepal. At the time of the 1991 Nepal census it had a population of 1664 persons living in 314 individual households.[1]