Isaac Israeli ben Solomon (c. 832 – c. 932), also known as Isaac Israeli the Elder and Isaac Judaeus,is one of the foremost physicians and philosophers of his time.

He is regarded as the father of medieval Jewish Neoplatonism.

His works, all written in Arabic and subsequently translated into Hebrew, Latin and Spanish, enter the medical curriculum of the early thirteenth-century universities in Medieval Europe and remains popular throughout the Middle Ages.