East Meadow is a hamlet (and census-designated place or CDP) in Nassau County (Long Island), New York, United States. Its name is derived from being the meadow of Hempstead Plains east of the Meadow Brook (originally a brook, now replaced by a parkway of the same name). Located just 30 miles (48 km) from downtown Manhattan and with approximately 86% of residents commuting to work, East Meadow is a thriving suburb of New York City.

The population was 37,461 at the 2000 census.

East Meadow's postal ZIP code is 11554, and its telephone area code is 516.