| Zyudev Island | |
| Native Name: | Зюдев |
| Native Name Lang: | Russian language |
| Settlement Type: | Island |
| Coordinates: | 45.55°N 104°W |
| Pushpin Map: | Caspian Sea |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Type1: | Oblast |
| Subdivision Name1: | Astrakhan Oblast |
Zyudev Island is an island in the Caspian Sea. It is located off the mouths of the Volga.
Zyudev Island is long and is aligned roughly north to south along a small coastal peninsula, separated from it by a 3km (02miles) wide channel. It has a length of 23km (14miles) and a maximum width of 5.5km (03.4miles).[1]
Administratively, the island belongs to the Astrakhan Oblast of the Russian Federation.