Isaac Lampronti (February 3, 1679 – November 16, 1756) was an Italian rabbi and physician, best known as author of the rabbinic encyclopedia Paħad Yitzħak. Lampronti was born at Ferrara. His great-grandfather, , had emigrated from Constantinople to Ferrara in the sixteenth century. His father, a man of wealth, died when Isaac was six years of age. Isaac was sent to school in his eighth year, his teachers being and . In his fourteenth year he went to Lugo, to the school of R. ; thence he went to Padua to study medicine, attending at the same time lectures on philosophy. There he enjoyed especially the intercourse and instruction of the physician R. Isaac Cantarini.