Platinum(IV) bromide is the inorganic compound with the formula PtBr<sub>4</sub>. It is a brown solid. It is a little-used compound mainly of interest for academic research. It is a component of a reagent used in qualitative inorganic analysis.
In terms of structure, the compound is an inorganic polymer consisting of interconnected PtBr<sub>6</sub> octahedra.