Gadolinium iodate is an inorganic compound with the chemical formula Gd(IO3)3.

It is produced by reacting gadolinium metal with periodic acid at 180 °C.

[1] Its solubility in water is 0.893±0.002 (25 °C, 103 mol·dm−3).

Adding ethanol or methanol to water will reduce the solubility.

[2]