Melhania forbesii is a plant in the mallow family Malvaceae, native to southern Africa. It is named for the English naturalist and plant collector John Forbes.
Melhania forbesii grows as a small shrub about tall, with a branched stem. The leaves are tomentose and measure up to long. Inflorescences may be one to four-flowered, generally three-flowered. The flowers feature yellow petals.
Melhania forbesii is native to Angola, Botswana, Mozambique, Namibia, South Africa (KwaZulu-Natal, Northern Provinces), Eswatini, Zambia and Zimbabwe. Its habitat includes sandy areas, open woodland, by rivers and on hillsides.