JOIGNY (Heb. יואני), town in the Yonne department, central France. The present Rue des Juifs is a reminder of the medieval Jewish community, known only through the scholars who originated there. Most important of these were the tosafists and exegetes Menahem b. Perez of Joigny (12th century) and *Yom Tov b. Isaac of Joigny (martyred at *York in 1190), a tosafist named Joseph, and an exegete, Samson.
Gross, Gal Jud, 250–3; Urbach, Tosafot, index s.v. the various tosafists.