| Official Name: | Semgamakhi |
| Native Name: | Семгамахи Семгамахьи |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Dagestan#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Republic of Dagestan |
| Subdivision Type2: | County |
| Subdivision Type3: | District |
| Subdivision Name3: | Akushinsky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +3:00 |
| Coordinates: | 42.2833°N 68°W[1] |
Semgamakhi (Russian: Семгамахи; Dargwa: Семгамахьи) is a rural locality (a selo) in Akushinsky Selsoviet, Akushinsky District, Republic of Dagestan, Russia. The population was 668 as of 2010.[2] There are 21 streets.[3]
Semgamakhi is located 2 km northeast of Akusha (the district's administrative centre) by road. Akusha is the nearest rural locality.[4]