Maribyrnong is an inner suburb 8 km north-west of Melbourne, Victoria, Australia. Its local government area is the City of Maribyrnong, part of the River Ward. At the 2011 Census, Maribyrnong had a population of 10,165.
Maribyrnong takes its name from the Maribyrnong River which bounds the suburb to the north and east. Its other borders are Williamson Road, Rosamond Road, Mephan Street and Owen Street to the south.
Maribyrnong contains Highpoint Shopping Centre, one of Australia's largest shopping centres.