| Gnon-Sangdong | |
| Settlement Type: | Village |
| Pushpin Map: | India Sikkim#India3 |
| Pushpin Label Position: | right |
| Coordinates: | 27.463°N 88.5247°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Sikkim |
| Subdivision Type2: | District |
| Subdivision Name2: | North Sikkim |
| Subdivision Type3: | Subdivision |
| Subdivision Name3: | Dzongu |
| Unit Pref: | Metric |
| Population Total: | 333 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Blank Name Sec1: | Literacy |
| Blank Info Sec1: | 85.06% |
Gnon-Sangdong is a small village under Hee-Gyathang GPU in Dzongu subdivision, Mangan, Sikkim, India. The Ministry of Home Affairs has given it a geographical code of 260883.[1]