Iju or IJU may refer to: H. iju, a species of sea slug Iju, Ogun, a town in southern Ogun and northern Lagos, Nigeria* Ijuí Airport, Brazil (IATA code) Islamic Jihad Union, an Islamic terrorist group ISU Judging System, developed by the International Skating Union (ISU) Indian Journal of Urology
People with the surname , Japanese women's basketball player Seiichi Iju, Japanese martial artist