Gold(III) fluoride is an inorganic compound of gold and fluorine with the molecular formula . It is an orange solid that sublimes at 300 ðC. It is a powerful fluorinating agent. It is very sensitive to moisture, yielding gold(III) hydroxide and hydrofluoric acid.
AuF<sub>3</sub> can be prepared by reacting AuCl<sub>3</sub> with F<sub>2</sub> or BrF<sub>3</sub>.
The crystal structure of AuF<sub>3</sub> consists of spirals of square-planar AuF<sub>4</sub> units.