Holmium iodate is an inorganic compound with the chemical formula Ho(IO3)3.

It can be obtained by reacting holmium periodate and periodic acid in water at 170 °C.

[1] Its solubility in water is 1.162±0.001 (25 °C, 103 mol·dm−3).

Adding ethanol or methanol to water will reduce the solubility.

[2]