| Official Name: | Kassagumakhi |
| Native Name: | Кассагумахи Кьассагумахьи |
| 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: | 42.0333°N 69°W[1] |
Kassagumakhi (Russian: Кассагумахи; Dargwa: Кьассагумахьи) is a rural locality (a selo) and the administrative centre of Kassagumakhinsky Selsoviet, Akushinsky District, Republic of Dagestan, Russia. The population was 138 as of 2010.[2] There are 6 streets.[3]
Kassagumakhi is located 37 km south of Akusha (the district's administrative centre) by road, on the Khunikotta River. Gunnamakhi is the nearest rural locality.[4]