Trichosanthes pentaphylla, commonly known as red gourd, is a species of plants in the family Cucurbitaceae found only in coastal northeast Queensland, Australia.

The leaves are palmately divided with 3–5 leaflets, carried on a petiole up to 7 cm (2.8 in) long.

The species is dioecious, meaning that male and female flowers are borne on separate plants; both are white with fringed petals and about 4 cm (1.6 in) diameter.

[4][5][6] This species is listed as least concern under the Queensland Government's Nature Conservation Act.

[1] As of 9 January 2025[update], it has not been assessed by the International Union for Conservation of Nature (IUCN).