Newark Liberty International Airport (IATA: EWR, ICAO: KEWR), formerly known as Newark International Airport, is an international airport within the city limits of both Newark and Elizabeth, New Jersey, United States. It is about 15 miles south west of New York City.

Newark is a major hub for United Airlines, which is the airport's largest tenant (operating all of Terminal C and part of Terminal A). United Airlines and FedEx operate cargo hubs. In 2011, Continental and United combined had controlled 71% of the airport's passenger flight business

In 2012, Newark Airport handled 34.0 million passengers, JFK International handled 49.3 million, and LaGuardia handled 25.7 million.