Inwood is a hamlet and census-designated place (CDP) in Nassau County, on Long Island, in New York, United States. The population was 11,340 at the time of the 2020 census. It is considered part of Long Island's Five Towns area and is located within the Town of Hempstead.

The Five Towns is an informal grouping of villages and hamlets in Nassau County, United States on the South Shore of western Long Island adjoining the border with Queens County in New York City. Although there is no official Five Towns designation, "the basic five are Lawrence, Cedarhurst, Woodmere, Hewlett and Inwood." Each of these "towns" has a consecutive stop on the Far Rockaway Branch of the Long Island Rail Road. All five communities are part of the Town of Hempstead. Woodmere is the largest and most populous community in the Five Towns, while Inwood is the second largest community in the Five Towns.