The Midland railway line is a suburban railway line in Perth, Australia. It was opened in 1881 as part of the Eastern railway on the Western Australian Government Railways (WAGR). The line is a major transport route in Perth, connecting with the four other main Transperth railway lines: Joondalup, Fremantle, Armadale, and Mandurah.
There are a total of 15 stations along the Midland line.