Cross Island may refer to:
Geography Cross Island, Alaska, an island in the Beaufort Sea Cross Island, Bermuda Cross Island, County Down, a townland in Northern Ireland Cross Island (Maine), an island in the U.S. state of Maine Cross Island National Wildlife Refuge, a National Wildlife Refuge in the state of Maine, U.S. Cross Island (Massachusetts), an island in the U.S. state of Massachusetts Cross Island (Nova Scotia), an island offshore from Lunenburg, Nova Scotia Cross Island, Mumbai, an uninhabited islet off the southeast coast of Mumbai Cross Island Trail, a rail trail in Queen Anne's County, Maryland and part of the American Discovery Trail and the East Coast Greenway
Transportation Cross Island Line, a subway line in Singapore Cross Island Parkway (Hilton Head Island), in South Carolina, U.S. Cross Island Parkway, a highway in Long Island, New York, U.S.
Other uses Cross Island Chapel, a non-denominational church located in Oneida, New York
See also Cross Bronx Expressway Cross country (disambiguation) Cross County