Rabbi Hirschel Ben Arye Löb Levin (also known as Hart Lyon and Hirshel Löbel; 1721 – 26 August 1800) was Chief Rabbi of Great Britain and of Berlin, and Rabbi of Halberstadt and Mannheim, known as a scholarly Talmudist.

He was born in Rzeszów, Polish–Lithuanian Commonwealth to Aryeh Löb and Miriam Lowenstam.

[1] His glosses on the Talmud appear in the Vilna edition under the name of Rabbi Tsvi Hersh Berlin.

His son, Rabbi Solomon Hirschell was also Chief Rabbi of the British German and Polish Jewish community, and the first of the British empire.

[2] His other son, Saul Berlin, was a Talmudist and notorious forger of the Besamim Rosh.