Jacob Abendana (1630 – 12 September 1685) was hakham of London from 1680 until his death.
Abendana was the eldest son of Joseph Abendana and brother to Isaac Abendana. Though his family originally lived in Hamburg, Jacob and his brother were both born in Spain. At some point in time, his family moved to Amsterdam where he studied at the De los Pintos rabbinical academy in Rotterdam. In 1655, he was appointed hakham of that city. On 3 May 1655 Abendana delivered a famous memorial sermon on the Cordovan martyrs Marranos Nunez and Almeyda Bernal who had been burned at the stake.
Several years later, with his brother, Isaac, Jacob published the Bible commentary Miklal Yofi by Solomon ben Melekh which included his own commentary, Lekket Shikchah (Gleanings), on the Pentateuch, the Book of Joshua, and part of the Book of Judges. This was published by subscription in Amsterdam in 1660 with a second edition in 1685.
Having gone to Leiden seeking subscribers, Jacob met