IJC may refer to: International Joint Commission, an independent binational organization established by the United States and Canada under the Boundary Waters Treaty of 1909. International Journal of the Commons, "an interdisciplinary peer-reviewed open-access journal" International Jewish Correspondence, a pen pals organization. Israeli Juggling Convention, the second biggest juggling convention in the world. Innova Junior College, a junior college in Singapore. Infant Jesus Convent, a secondary school for girls in the city of Melaka, Malaysia. Intermediate Joint Command Irish Junior Cup, a knockout trophy played for field hockey clubs in Ireland. Ivar Jacobson Consulting, a software consulting company. IJC, a chain manufacturer. IJC chains that have surfaced are stamped with 'ITALY' and are made of 925 sterling silver or 9 carat gold.