Pontyclun railway station is an unstaffed, minor railway station in Pontyclun, in the County Borough of Rhondda Cynon Taf, South Wales. The station is at street level, on Station Approach, Pontyclun. It is a stop on the South Wales Main Line, served by trains on the Maesteg Line, and occasionally by the Swanline Cardiff to Swansea regional services, as well as one early-morning daily service to Manchester and a late-night daily service to Carmarthen. The station and all trains are operated by Transport for Wales Rail. It is 181 miles 40 chains (292.1 km) from the zero point at London Paddington, measured via Stroud.

The South Wales Main Line, originally known as the London, Bristol and South Wales Direct Railway or simply as the Bristol and South Wales Direct Railway, is a branch of the Great Western Main Line in Great Britain. It diverges from the core London-Bristol line at Royal Wootton Bassett beyond Swindon, first calling at Bristol Parkway, after which the line continues through the Severn Tunnel into South Wales.