Pachad Yitzchok

Pachad Yitzchok (or Pachad Yitschak) may refer to:


 * Hebrew of "Fear of Isaac", a Biblical reference in Genesis 31:42 (an allusion to God)
 * The writings or person of Rabbi Yitzchok Hutner (1906–1980)
 * The writings or person of Rabbi Yitzchok Friedman (1850–1917), First Rebbe of Boyan
 * Yeshiva Pachad Yitzchok
 * A rabbinic encyclopedia authored by Isaac Lampronti (1679-1756)