Caladenia ensata, commonly known as the Stumpy Spider Orchid, is a species of Clubbed Spider Orchid complex and an orchid endemic to the south-west of Western Australia. It is a common orchid within its natural range and has a single, hairy leaf and up to three pale yellow and red flowers which have short but thick, fleshy glandular tips. It usually has short, pointed labellum fringe segments.