Europium(III) iodate is an inorganic compound with the chemical formula Eu(IO<sub>3</sub>)<sub>3</sub>. It can be produced by hydrothermal reaction of europium(III) nitrate or europium(III) oxide and iodic acid in water at 230 ðC. It can be thermally decomposed as follows:
It reacts hydrothermally with iodine pentoxide and molybdenum trioxide at 200 ðC to obtain Eu(MoO<sub>2</sub>)(IO<sub>3</sub>)<sub>4</sub>(OH).