Abraham Yizhaki
Abraham Yizhaki was a Talmudic scholar and dayyan who lived in Salonica toward the end of the sixteenth century.
He was the author the four-part work Aḥot Ḳeṭannah on the laws of gets involving minors, printed at the end of Jacob Ḥagiz's Halakot Ḳeṭannot. The work is quoted in Joseph Almosnino's Edut bi-Yehosef and in Ḥasdai Peraḥya's Torat Ḥesed.