Caladenia applanata, commonly known as the broad-lipped spider orchid, is a plant in the orchid family Orchidaceae and is endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three flowers on a stem up to 50 cm (20 in) high. The flower colour may be red, cream, green or yellow and is distinguished by its broad, flattened, red-tipped labellum.