Picture of Harav Yisroel Dovid Harfenes at his grandsons wedding

Rabbi Yisroel Dovid ben Menachem Nachum Harfenes is a Haredi posek ("decisor of Jewish law") and scholar, residing in Williamsburg, Brooklyn, New York. He is the Rabbi of the Yisroel Vehazmanim Synagogue in Williamsburg, and is the author of multiple books on Halakha. Many of the books he has authored are responsa

Many of his books are available online (for free) at hebrewbooks.org.

He is a dayan on the Hisachdus Harabonim Beth din in Williamsburg.

Personal life

His mother was Sara Harfenes and his father was R’Menachem Nuchem Harfenes.

His siblings are, Moshe Shaul Harfenes ob”m, Chanie Singer, Yoily (Yoel) Harfenes and Chaya Miriam Schachter.

Selected works

• Yisroel Vehazmanim OCLC 48977504 on zmanim
• Yisroel VeOraisa OCLC 61485761
• Chinuch Yisroel OCLC 41163624
• Mekadesh Hashabos OCLC 41163624
• Mekadesh Yisroel (responsa) OCLC 122809123
• Nishmas Yisroel OCLC 34027698
• Nishmas Shabos (responsa) OCLC 144652921
• Vayevarech Dovid OCLC 23462776
• Dudaei Yisroel OCLC 54362391
• Yisroel Araivim OCLC 62316105
• Shirai Dovid OCLC 56499018
• Pri Eitz Hadar OCLC 23269161