National Express East Anglia was a train operating company and brand name of London Eastern Railway Ltd in the United Kingdom. It is part of the National Express Group and was branded as <nowiki>‘one’</nowiki> from 1 April 2004 to 26 February 2008. It provides local, suburban and express services from Liverpool Street station in the City of London to destinations in the railway franchise known as the "Greater Anglia" network, stretching from north and east Greater London to Essex, Hertfordshire, Cambridgeshire, Suffolk and Norfolk in East Anglia.