| Jagged Island | |
| Map: | Antarctica |
| Location: | Antarctica |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Jagged Island is a rocky island 2.50NaN0 north-northwest of Round Point, King George Island, in the South Shetland Islands. Presumably known to early sealers in the area, it was charted by Discovery Investigations personnel on the Discovery II in 1935 and given this descriptive name.