| Roberts Island | |
| Image Alt: | An aerial photograph of an island covered in farmland and surrounded by rivers. |
| Pushpin Map: | United States Sacramento Delta#USA California#USA |
| Coordinates: | 37.9049°N -121.3852°W |
| Location: | Northern California |
| Waterbody: | Sacramento–San Joaquin River Delta |
| Area Sqft: | or |
| Area Acre: | --> |
| Length Ft: | --> |
| Width Ft: | --> |
| Coastline Ft: | --> |
| Country: | United States |
| Country Admin Divisions Title: | State |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | San Joaquin |
Roberts Island is an island in the San Joaquin River delta, in California. It is part of San Joaquin County, and managed by Reclamation Districts 544 (Upper Roberts Island), 524 (Middle Roberts Island) and 684 (Lower Roberts Island). Its coordinates are 37.9049°N -121.3852°W.