Hewlett is a hamlet and census-designated place (CDP) in the Town of Hempstead in Nassau County, on Long Island, in New York, United States.

Hewlett is usually included as one of the Five Towns in the southwestern corner of Nassau County.

[3][4] He was part of an English community which emigrated to Long Island - by way of Connecticut - and negotiated treaties with the Dutch governors and native inhabitants to establish a population center in what is now Hempstead.

The Hewlett station on the Long Island Rail Road's Far Rockaway Branch is located within the hamlet.

[8] Nassau Inter-County Express also runs the n1, n31, n31x, n32, Elmont Flexi buses into Hewlett.