William Cormick (born 1822, Tabriz; died 30 December 1877), was a physician of Irish origin in Qajar Iran during the reigns of Mohammad Shah Qajar (1834–1848) and Naser al-Din Shah Qajar (1848–1896). He is noted for having played an important role in the diffusion of Western medicine into Iranian society. He is also noted as the only westerner to have met the Báb.