Seddon is an inner-city suburb in Melbourne, Victoria, Australia, 7 km (4.3 mi) west of Melbourne's Central Business District, located within the City of Maribyrnong local government area. Seddon recorded a population of 5,143 at the 2021 census.

The City of Maribyrnong is a local government area within the metropolitan area of Melbourne, Australia. It comprises the inner western suburbs between 5 and 10 kilometres from Melbourne city centre. It was formed in 1994 from the merger of the City of Footscray and parts of the City of Sunshine. In June 2018, Maribyrnong had a population of 91,387.