| River Island | |
| Type: | Island |
| Native Name: | Isla del Rio |
| Native Name Lang: | es |
| Pushpin Map: | Falkland Islands |
| Pushpin Map Caption: | River Island shown within the Falkland Islands |
| Coordinates: | -51.4206°N -59.6089°W |
| Subdivision Type: | Country |
| Subdivision Name: | Falkland Islands |
| Subdivision Type1: | Island group |
| Seat Type: | Main settlement |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Timezone1: | FKST |
| Utc Offset1: | −3 |
| Footnotes: | If shown, area and population ranks are for all islands and all inhabited islands in the Falklands respectively. |
River Island is one of the Falkland Islands. It is located in Byron Sound to the south of East Island and Pebble Island. There is a tidal island to its west, separated by a shallow lagoon.
Despite its name, River Island is actually a salt water island.