Cedar Island may refer to:
- Cedar Island (North Carolina)
- Cedar Island (Bristol County, Massachusetts) is an island in Bristol County, Massachusetts, USA. Bristol County is a County located in the Commonwealth of Massachusetts, adjacent to the state of Rhode Island. The Commonwealth of Massachusetts ( is a state located in the New England region of the northeastern United States. The United States of America —commonly referred to as the
- Cedar Island (Dukes County, Massachusetts) is an island in Dukes County, Massachusetts, USA. The County of Dukes County is a County located in the US state of Massachusetts. The Commonwealth of Massachusetts ( is a state located in the New England region of the northeastern United States. The United States of America —commonly referred to as the
- Cedar Island (Plymouth County, Massachusetts) is an island in Plymouth County, Massachusetts, USA. Plymouth County is a County located in the US state of Massachusetts. The Commonwealth of Massachusetts ( is a state located in the New England region of the northeastern United States. The United States of America —commonly referred to as the
- Cedar Island State Park, in Hammond, New York
- Cedar Island (Maryland)
- Cedar Island (Chincoteague Bay), Worcester County, Maryland. Cedar Island State Park is located on Cedar Island in the St Lawrence River, part of the Thousand Islands region Worcester County (pronounced as "Wis-ter" "Wuss-ster" or "Wuhr-shter" is the easternmost County located in the U
- Cedar Island (Niagara River) in Ontario