Cannabis is a plant used in Australia for recreational, medicinal and industrial purposes. Australia has one of the highest cannabis prevalence rates in the world. In 2022–23, 41% of Australians over the age of fourteen years had used cannabis in their lifetime and 11.5% had used cannabis in the last 12 months.
On 24 February 2016, Australia legalised growing of cannabis for medicinal and scientific purposes at the federal level. On 12 November 2017, Food Standards Australia New Zealand (FSANZ) made low-THC hemp food legal for human consumption in Australia.