Zyudev Island is an island in the Caspian Sea. It is located off the mouths of the Volga.

Zyudev Island Зюдев
Island
Zyudev Island
Coordinates: 45°33′N 47°57′E / 45.550°N 47.950°E / 45.550; 47.950
Country	Russia
Oblast	Astrakhan Oblast

Zyudev Island is long and is aligned roughly north to south along a small coastal peninsula, separated from it by a 3 km (1.9 mi) wide channel. It has a length of 23 km (14 mi) and a maximum width of 5.5 km (3.4 mi).^[1]

Administratively, the island belongs to the Astrakhan Oblast of the Russian Federation.