Isaac Halevy may refer to: Yitzhak HaLevi Herzog (1888–1959), first Chief Rabbi of Ireland Yitzhak Isaac Halevy Rabinowitz (1847–1914), rabbi, Jewish historian, and founder of the Agudath Israel organization Yitzhak HaLevi ben Mordechai Raitzes ( 1730–1799), Rabbi of Kraków from 1778 to 1799 Beit Yitzhak HaLevi, a family of Yemenite Jewish scholars, including Yihya Yitzhak Halevi (1867–1932)