Nizam-ul-Mulk may refer to:
Nizam al-Mulk (1018–1092), Persian scholar and vizier of the Seljuk Empire Nizam-ul-Mulk, Asaf Jah I (1671–1748), Mughal nobleman who founded the Hyderabad State in India Malik Hasan Bahri (died 1486), prime minister of the Bahmani Sultanate 1481–1486
See also Nizam of Hyderabad, the title of the ruler of Hyderabad State, used from 1724 to 1948 Nizam Ali Khan, Asaf Jah II, 5th Nizam of Hyderabad State