Mortdale railway station is a suburban railway station located on the South Coast line, serving the Sydney suburb of Mortdale. It is served by Sydney Trains T4 Eastern Suburbs & Illawarra Line services.
Mortdale station opened on 20 March 1897 being relocated north to its current location on 14 September 1922 when a new deviation of the Illawarra line opened. South of the station lies the Mortdale Maintenance Depot.
In March 2007, the station received an accessibility upgrade which included tactile indicators and a lift.
U-Go Mobility operates three bus routes via Mortdale station, under contract to Transport for NSW:
The station is served by one NightRide route: