Newport railway station is the junction for the Werribee and Williamstown lines in Victoria, Australia. It serves the western Melbourne suburb of the same name, and opened on 1 March 1859 as Geelong Junction. It was renamed Williamstown Junction in January 1869, and renamed Newport on 1 November 1881.

The Werribee line is a commuter railway line in the city of Melbourne, Victoria, Australia. Operated by Metro Trains Melbourne, it is the city's ninth longest metropolitan railway line at 32.9 kilometres (20.4 mi). The line runs from Flinders Street station in central Melbourne to Werribee station in the south west, serving 17 stations via Footscray, Newport, and Altona. The line operates for approximately 19 hours a day with 24 hour service available on Friday and Saturday nights. During peak hour, headways of up to 5–20 minutes are operated with services every 20–30 minutes during off-peak hours. Trains on the Werribee line run with a two three-car formations of Comeng, Siemens Nexas, and X'Trapolis 100 trainsets.