六氯化铀是一种无机化合物，化学式为UCl₆，有放射性。

六氯化铀可由五氯化铀和氯反应，或直接在真空中歧化得到。

Uranium hexachloride is an inorganic chemical compound of uranium in the +6 oxidation state.The chemical compound Uranium hexachloride (UCl6) is a metal halide composed of Uranium and Chlorine. It is a multi-luminescent dark green crystalline solid with a vapor pressure between 1-3 mmHg at 373.15KUCl₆ is stable in a vacuum, dry air, nitrogen and helium at room temperature. It is soluble in carbon tetrachloride (CCl₄). Compared to the other uranium halides, little is known about UCl₆.