Grays railway station is on the London, Tilbury and Southend Railway line serving the town of Grays, Essex. It is 19 miles, 70 chains (32 km) down-line from London Fenchurch Street and is located at the junction where a branch line from Upminster via Ockendon re-joins the route via Rainham. Its three-letter station code is GRY.
It was opened in 1854. Until the early 1900s, the station was known as Grays Thurrock. Although outside the London fare zones, the station became part of the Oyster card pay-as-you-go network in 2010.