Hexachloroacetone is an organic compound with the formula (Cl3C)2CO.

It is a colorless liquid, slightly soluble in water.

For the use of hexachloroacetone in the preparation of a novel insect repellent see Perkow reaction.

The industrial route to hexafluoroacetone involves treatment of hexachloroacetone with HF:[3]

This article about an organic halide is a stub.