Israel Joshua Singer (Yiddish: ישראל יהושע זינגער; November 30, 1893, Biłgoraj, Congress Poland — February 10, 1944 New York) was an American novelist who wrote in Yiddish. He was born Yisruel Yehoyshye Zinger, the son of Pinchas Mendl Zinger, a rabbi and author of rabbinic commentaries, and Basheva Zylberman. He was the brother of author Isaac Bashevis Singer and novelist Esther Kreitman.Singer contributed to the European Yiddish press from 1916.