Jonathan Eybeschutz (Kraków 1690 - Altona 1764), was a Talmudist, Halachist, Kabbalist, holding positions as Dayan of Prague, and later as Rabbi of the "Three Communities": Altona, Hamburg and Wandsbek. With Jacob Emden, he is well known as a protagonist in the Emden-Eybeschütz Controversy.