成田エクスプレス
, abbreviated as N'EX, is a limited express train service operated in Japan since 1991 by East Japan Railway Company (JR East), serving Narita International Airport from various Greater Tokyo Area stations. Services run approximately half-hourly in the mornings and evenings, and hourly through the middle of the day. The main competition for the "Narita Express" is Keisei Electric Railway's "Skyliner".