Aaron Jekel ben Samuel Schor of Frankfurt (Hebrew: אהרון יקל בן שמואל שור מפרנקפורט; c. 1620 – 1701) also known as the Beis Aharon of Frankfurt was a 17th-century Jewish-German rabbi and Hebrew author, best known for his work "Beis Aharon", which is considered to be amongst the most important concordances of the Bible.