Southend Central railway station is on the London, Tilbury and Southend line and is one of two primary stations serving the city of Southend-on-Sea, Essex. The city's other main station is called Southend Victoria which is the terminus of a branch line off the Great Eastern Main Line. Southend Central is 35 miles 55 chains (57.43 km) down the line from London Fenchurch Street via Basildon and it is situated between Westcliff and Southend East stations. Its three-letter station code is SOC.

The London, Tilbury and Southend line, also known as Essex Thameside, is a commuter railway line on the British railway system. It connects Fenchurch Street station, in central London, with destinations in east London and Essex, including Barking, Upminster, Basildon, Grays, Tilbury, Southend and Shoeburyness.