Public Transport Victoria (PTV) is the brand name for public transport in the Australian state of Victoria. It was previously the trading name of the Public Transport Development Authority (PTDA), a now-defunct statutory authority in Victoria, responsible for providing, coordinating, and promoting public transport.

V/Line is a statutory authority that operates regional passenger train and coach services in the Australian state of Victoria. It provides passenger train services on five commuter lines and eight long-distance routes from its major hub at Southern Cross railway station in Melbourne. It also provides bus services across Victoria and into New South Wales, the Australian Capital Territory and South Australia. In addition, V/Line is responsible for the maintenance of much of the Victorian freight and passenger rail network outside of the areas managed by Metro Trains Melbourne and the Australian Rail Track Corporation.