Dover Priory railway station is the southern terminus of the South Eastern Main Line in England, and is the main station serving the town of Dover, Kent, the other open station being Kearsney, on the outskirts. It is 77 miles 26 chains (124.4 km) down the line from London Victoria. The station and all trains that serve the station are operated by Southeastern. This station is a 25 min walk away from the Ferry Port.

The South Eastern Main Line is a major long-distance railway route in South East England, UK, one of the three main routes crossing the county of Kent, going via Sevenoaks, Tonbridge, Ashford and Folkestone to Dover. The other routes are the Chatham Main Line which runs along the north Kent coast to Ramsgate or Dover via Chatham and High Speed 1 which runs through the centre of Kent to the coast at Folkestone where it joins the Channel Tunnel.