Xanthoparmelia tablensis is a species of saxicolous (rock-dwelling), foliose lichen in the family Parmeliaceae. Found in South Africa, it was formally described as a new species in 1986 by the American lichenologist Mason Hale. The type specimen was collected from the Table Mountain Nature Reserve at an elevation of , where it was found growing on a large sandstone ledge amongst fynbos vegetation. The thallus is loosely attached to its rock and is bright yellowish green in colour, measuring broad. It contains hypoprotocetraric acid, 4-O-methylnotatic acid, and usnic acid.