Uranyl bromide is a salt of uranium, oxygen, and bromine with the chemical formula .
Uranyl bromide can be obtained by passing bromine vapor over a heated mixture of and charcoal. The formed compound is extracted with ether.
The compound is highly soluble and hygroscopic, forming intensely red solutions in water. Uranyl bromide is known to form complex compounds with oxygen-containing ligands and can undergo reduction to a black powder upon heating in such solutions.