| Mae Ngat Somboon Chon Dam | |
| Location Map: | Thailand |
| Location Map Caption: | Dam location in Thailand |
| Coordinates: | 19.1614°N 99.04°W |
| Country: | Thailand |
| Location: | Mae Taeng, Chiang Mai |
| Purpose: | Multi-purpose |
| Status: | O |
| Opening: | 22 February 1986 |
| Dam Type: | F |
| Dam Crosses: | Mae Ngat River |
| Dam Height Foundation: | 59m (194feet) |
| Dam Length: | 1950m (6,400feet) |
| Res Name: | Mae Ngat Somboon Chon Reservoir |
| Res Capacity Total: | 265000000m2 |
| Res Catchment: | 1281km2 |
| Res Surface: | 16km2 |
| Plant Operator: | Electricity Generating Authority of Thailand |
| Plant Turbines: | 2 x 4.5 MW |
| Plant Capacity: | 9 MW |
| Plant Annual Gen: | 29 GWh |
| Website: | Mae Ngat Somboon Chon Dam at EGAT |
The Mae Ngat Somboon Chon Dam (Thai: เขื่อนแม่งัดสมบูรณ์ชล,, in Thai pronounced as /kʰɯ̀a̯n mɛ̂ː ŋát sǒm.būːn t͡ɕʰōn/), is a multi-purpose hydroelectric dam in the Mae Taeng District of Chiang Mai Province, Thailand. It impounds the Mae Ngat River, a tributary of the Ping River. The dam is located at the western side of Si Lanna National Park.
Mae Ngat Somboon Chon Dam is an earth fill dam. It is 1950m (6,400feet) long and 59m (194feet) high. Its reservoir has a maximum storage capacity of 265000000m2 with a catchment area of 1281km2.
The dam's power plant has two hydroelectric generating units, each with an installed capacity of 4.5 MW. They became operational in 1985.