Jacob ben Aaron Sasportas (1610 – April 15, 1698) was an Algerian-born rabbi, kabbalist, diplomat and author.

He stayed there till the disorders in Africa ceased, when he was called back by the King of Morocco and sent on a special mission to the Spanish court (ca.

In that year he was called to Amsterdam and appointed head of the yeshiva Keter Torah, founded by the brothers Pinto.

Jacob was one of the most violent antagonists of the Shabbethaian movement; he wrote many letters to various communities in Europe, Asia, and Africa, exhorting them to unmask the impostors and to warn the people against them.

Jacob edited the "Hekal ha-Kodesh" of Moses ben Maimon Elbaz, to which he added an introduction and supplied notes (Amsterdam, 1653).