| Jersey Island | |
| Pushpin Map: | United States Sacramento Delta#United States San Francisco Bay Area#USA California#USA |
| Coordinates: | 38.0363°N -121.6858°W |
| Location: | Northern California |
| Waterbody: | Sacramento-San Joaquin River Delta |
| Area Acre: | 3520 |
| Length Ft: | --> |
| Width Ft: | --> |
| Coastline Ft: | --> |
| Country: | United States |
| Country Admin Divisions Title: | State |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Contra Costa |
Jersey Island is an island in the Sacramento-San Joaquin River Delta of Contra Costa County, California, approximately east of Antioch. The 1425ha bounded on the west by the San Joaquin River-Stockton Deepwater Shipping Channel, on the north by the False River, on the northeast by Piper Slough, on the east by Taylor Slough, and on the south by Dutch Slough. It is administered by Reclamation District 830.