Isaac Cohen (26 July 1914 – 30 November 2007) was a Talmudic scholar and Chief Rabbi of Ireland for 20 years.

In 1939 he moved to Leeds United Hebrew Congregation in the capacity of an additional minister in the Moortown area.

In 1947 he succeeded Dr Salis Daiches as rabbi of the Edinburgh Hebrew Congregation.

While officiating in Dublin he promoted Jewish education and dealt with problems involving the supply of kosher food.

His main work was his 25-year study Acts of the Mind in Jewish Ritual Law – An Insight into Rabbinic Psychology which was published two weeks before his death.