Diploglottis macrantha, commonly known as Cape tamarind, is a plant in the lychee family Sapindaceae endemic to Queensland, Australia. It is a shrub or small tree reaching up to tall which inhabits rainforest, monsoon forest and gallery forest on Cape York Peninsula. It was first described` by the Australian botanist Sally T. Reynolds in 1981. The common name refers to its native region of Cape York.
, this species has been assessed to be of least concern by the International Union for Conservation of Nature (IUCN) and by the Queensland Government under its Nature Conservation Act.