The South Morang railway line is a suburban electric railway in Melbourne, Australia. It branches from the City Loop in the central business district and heads north. The line travels though the northern suburbs of Melbourne, and once extended to the country town of Whittlesea. The line has 21 stations in Metlink ticketing Zones 1 and 2. Prior to the line extension to South Morang, the line was known as the Epping railway line.