Rayleigh is a market town in the District of Rochford in Essex, England, located between Chelmsford and Southend-on-Sea. It lies 30 miles to the east of London.

Rayleigh is served by bus and train services. The bus services are run by Arriva, First and Regal Busways. National Express East Anglia run the rail line which runs from Southend Victoria to London Liverpool Street, stopping at Rayleigh. First Buses also operate an hourly coach service to Stansted Airport, numbered X30, which makes a stop at Rayleigh Station.