The Shenfield–Southend line is a branch line off the Great Eastern Main Line in Essex, in the east of England. It links Shenfield in the west to Southend Victoria, in Southend-on-Sea, in the east. The vast majority of services connect to or from the Great Eastern Main Line and its London terminus at Liverpool Street. The line is part of the Network Rail Strategic Route 7, SRS 07.05, and is classified as a London and South East commuter line. Passenger services on the line are currently operated by Greater Anglia.