Mian Muhammad Sarfraz Khan Kalhoro (Sindhi: مياں محمد سرفراز خان ڪلهوڙو) also known as Khudayar Khan, was a member of the Kalhora dynasty who ruled Sindh as the 4th Nawab. He held office from 1772 to 1775, having gained it on the death of his father, Mian Ghulam Shah Kalhoro. He was given the title of Khudayar Khan by the Mughal Emperor Shah Alam II.
He was killed by his uncle in 1775 and buried in Hyderabad, Sindh.[1]