Zīnah al-Sādāt Humāyūnī (Persian: زینتالسادات علویه همایونی), also Alavīyah Humāyūnī, Zinatossadat Alevi Homayooni or Homayuni, (1917 - 2 July 2016) was a female religious scholar from Isfahan, Iran, who is the most prominent student of Iran's leading mujtaheda of the 20th century, Banu Amin.