The Lilydale line is a commuter railway line on the Melbourne metropolitan railway network serving the city of Melbourne in Victoria, Australia. Operated by Metro Trains Melbourne, the line is coloured dark blue and is one of the four lines that constitute the Burnley group. It is the city's sixth-longest metropolitan railway line at 37.8 kilometres (23.5 mi). The line runs from Flinders Street station in central Melbourne to Lilydale station in the city's east, serving 27 stations via Burnley, Box Hill, Ringwood, and Croydon.
