Iona Island

Iona Island may refer to:


 * Iona, an island in the Inner Hebrides, Scotland
 * Iona Island (British Columbia), formerly an island, now a peninsula physically connected to Sea Island via a causeway and Ferguson Road
 * Iona Island (New York), a bedrock island of the Hudson River in the town of Stony Point, about one mile south of the Bear Mountain Bridge, and part of Bear Mountain State Park