Cleisostoma tenuifolium is a species of orchid, native to western India, Sri Lanka, eastern Myanmar and Thailand. It was first described by Carl Linnaeus in 1753 as Epidendrum tenuifolium. It is an epiphyte, attached to trees clinging downward, 10-40 cm long with a 5 cm long, raceme-like, several-flowered inflorescence. The flowers are yellow, with a dorsal sepal 4.5 × 1.2 mm.