North Massapequa is a hamlet and census-designated place (CDP) situated in the Town of Oyster Bay within Nassau County on Long Island, New York, United States. It serves as a residential community that is considered part of the broader Greater Massapequa area, which is anchored by the village of Massapequa.
According to data from the 2020 census, North Massapequa had a population of 17,829 residents. The area functions as a suburban locality within the New York metropolitan region.