Isaac ben Joseph of Corbeil (13th century) (Hebrew: יצחק בן יוסף מקורבי"ל) was a French rabbi and Tosefist who flourished in the second half of the thirteenth century.
He was the son-in-law of R. Jehiel ben Joseph of Paris, whose school he attended, and the pupil of the "Great Men of Évreux," notably of Samuel, whom he calls "the Prince" (שר) of Évreux. Isaac's conspicuous piety drew toward him many disciples, the best known of whom were Perez ben Elijah of Corbeil, Baruch Ḥayyim ben Menahem of Niort, and his fellow citizen Joseph ben Abraham. He was induced by his pupils to publish in 1277 an abridgment of Moses ben Jacob of Coucy's Sefer Mitzvot Gadol (called "Semag" from its initials סמ"ג), under the title Ammude ha-Golah or Sefer Mitzvot Ḳaṭan (generally called "Semaḳ" from the initials סמ"ק). This work was most favorably received by the communities of France and Germany, and has often been edited and annotated. Isaac also published Liḳḳuṭim (collectanea), and several small compilations containing his ritual decisions. The Kol Bo (No. 128) contains a long fragment of a Talmudic work of R. Isaac, with this superscription: קצת דינים מה"ר יצחק ז"ל.
This article incorporates text from a publication now in the public domain: Jewish Encyclopedia. 1901–1906.