Sedna Planitia
| Feature type | Planitia |
|---|---|
| Coordinates | 42°42′N 340°42′E / 42.7°N 340.7°E |
| Diameter | 3,570 km |
| Eponym | Sedna |
Sedna Planitia is a large lowland area of Venus, south of Ishtar Terra. It is thought to be lava-covered and similar to a lunar mare. Its name is derived from the Inuit sea goddess.