Inwood is a hamlet and census-designated place (CDP) in Nassau County, New York, United States. The population was 9,325 at the 2000 census.
Inwood is included among the Five Towns, an informal grouping of villages and hamlets in Nassau County on the South Shore of western Long Island adjoining the border with Queens County in New York City. Despite the name, none of the communities are towns. In addition to Inwood, the Five Towns is usually said to be composed of the villages of Lawrence and Cedarhurst, the hamlet of Woodmere, and "The Hewletts", which consist of the villages of Hewlett Bay Park, Hewlett Harbor and Hewlett Neck and the hamlet of Hewlett, along with Woodsburgh. The "towns" most commonly included as constituents of the "Five Towns" are all within the Town of Hempstead.
Inwood is located at 40°37′09″N 73°44′45″W / 40.619240°N 73.745705°W / 40.619240; -73.745705.