| Supsa | |
| Map: | File:Sufsa.svg |
| Subdivision Type1: | Country |
| Subdivision Name1: | Georgia |
| Subdivision Type3: | Region |
| Subdivision Name3: | Guria |
| Length: | 108km (67miles) |
| Mouth: | Black Sea |
| Mouth Coordinates: | 42.0192°N 41.7526°W |
| Basin Size: | 1130km2 |
| Tributaries Left: | Bakhvistsqali |
The Supsa (Georgian: სუფსა) is a river in the Black Sea basin of Georgia. It has a basin of and flows roughly west for 108km (67miles) until it joins the Black Sea near the village Supsa.[1]
The Supsa corresponds to the ancient River Mogrus (or Nogrus), described by Pliny the Elder in his Naturalis Historia.[2] [3]