Rhodium(III) hydroxide is a chemical compound with the formula Rh(OH)<sub>3</sub>.
Various compounds of rhodium(III) with hydroxide ligands are known.
Some double hydroxides called rhodium(III) hydrogarnets are known to exist. They include BaNaRh(OH)<sub>6</sub>, Ca<sub>3</sub>Rh<sub>2</sub>(OH)<sub>12</sub>, Sr<sub>3</sub>Rh<sub>2</sub>(OH)<sub>12</sub>. and Ba<sub>3</sub>[Rh(OH)<sub>6</sub>]<sub>2</sub>âÂÂâ âÂÂH<sub>2</sub>O.
Ga[Rh(OH)<sub>6</sub>(Mo<sub>6</sub>O<sub>18</sub>)](H<sub>2</sub>O)<sub>16</sub> is a complex molybdate hydroxide.