Yosef Dayan (Hebrew: יוסף דיין; born 1945) is a Mexican-Israeli Orthodox rabbi and right-wing Israeli monarchist and nationalist, who claims to be the most senior heir to the Davidic line. He is the founder and director of , a religious right-wing political party which advocates for a monarchy in Israel. In 2004, Dayan became a founding member of the newly reconstituted Sanhedrin. He is the author of several books in Hebrew, Spanish, and Italian and has worked to translate modern Spanish literature into Hebrew.