Chos grub (; ) was a Tibetan translator who flourished in the early 9th Century and produced translations under the auspices of the Tibetan Empire. Details of his life are sketchy, but he appears to have been based at Xiuduo Monastery ä¿®å¤Â寺, in Dunhuang, during the Tibetan occupation of Gansu (which lasted from c. 755âÂÂ848). He is best known as the translator of Woncheuk's Saá¹Âdhinirmocanasà «tra Commentary which was subsequently known in Tibet as The Great Chinese Commentary (rgya cher 'grel pa).
Among other works he translated the (Sutra of the Wise and the Fool) from Chinese into Tibetan, and a translation of the Heart Sutra from Tibetan into Chinese (T 255) .