The Maribyrnong Plate is a Victoria Racing Club Group 3 Thoroughbred horse race for two-year-olds, at set weights, over a distance of 1000 metres, at Flemington Racecourse, Melbourne, Australia on the Oaks day of the VRC Spring Carnival in November.

[1] Total prize money for the race is A$200,000.

The race is named after the Maribyrnong River, which is in close proximity to the Flemington racetrack.

[3] Prior to 1995 as well as 2007–08 the race was held on the first day of the VRC Spring Carnival, Victoria Derby Day.

Mention made in Rudyard Kipling's The Broken Link Handicap in Plain Tales From The Hills.