Jonas Carl Greenfield (October 20, 1926 in New York City – March 13, 1995 in Jerusalem) was an American scholar of Semitic languages, who published in the fields of Semitic Epigraphy, Aramaic Studies and Qumran Studies, and a distinguished member of the Israel Academy of Sciences and Humanities. He was a member of the committee of translators of the Ketuvim (the "Writings") for the New JPS Translation of the Tanakh.