| Thumbedin | |
| Native Name: | थुम्बेदिन |
| Settlement Type: | Village development committee |
| Mapsize: | 300px |
| Pushpin Map: | Nepal |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Nepal |
| Subdivision Type: | Country |
| Subdivision Name: |  Nepal |
| Subdivision Type1: | Province |
| Subdivision Name1: | Province No. 1 |
| Subdivision Type2: | District |
| Subdivision Name2: | Taplejung District |
| Population As Of: | 1991 |
| Population Total: | 2583 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Nepal Time |
| Utc Offset: | +5:45 |
| Coordinates: | 27.283°N 87.817°W |
Thumbedin is a village development committee in the Himalayas of Taplejung District in the Province No. 1 of north-eastern Nepal. At the time of the 1991 Nepal census it had a population of 2583 people living in 439 individual households.[1]