Species diversity of orchids in the Gunung Simpang nature reserve, Cianjur, West Java was investigate, where thirty three species of orchids are recorded. Two species (ceratostylis capitata Z. & M. and trichoglottis rigida BI.) are regarded as endemic. Three species are new records to Java namely appendicula babiensis J.JSm., A. aberrans Schltr, and bulbophyllum appressicaule Ridl.