Llanishen railway station (Welsh: Llanisien) is a railway station serving the area of Llanishen in Cardiff, south Wales. It is a stop on the Rhymney Line of the Valley Lines network.

The station has a basic weekday service of 4 departures each way per hour – northbound to Bargoed (with hourly extensions to Rhymney) and southbound to Cardiff Central and Penarth. This drops to half-hourly in the evenings and to two-hourly on Sundays (southbound trains run to Barry Island instead of Penarth)

Preceding station	National Rail			Following station
Heath High Level		Transport for Wales Rhymney Line		Lisvane and Thornhill

• List of railway stations in Cardiff

• Train times and station information for Llanishen railway station from National Rail