Banksia anatona, commonly known as the cactus dryandra, is a flowering plant in the family, Proteaceae and is endemic to Western Australia. It is a tall, spindly shrub with unusually large fruiting follicles. It is only known from a single location and has been classified as Critically Endangered nationally under the Environment Protection and Biodiversity Conservation Act 1999. The only known population is in danger of extinction from dieback disease.