Dichloroacetyl chloride is the organic compound with the formula CHCl2COCl.

It is the acyl chloride of dichloroacetic acid.

[1] It is a colourless liquid and is used in acylation reactions.

Instead, industrial routes include oxidation of 1,1,2-trichloroethane, hydrolysis of pentachloroethane, and the carboxylation of chloroform:[4] It is a precursor to various herbicides including dichlormid.

It is one of the precursors to antibiotics, including chloramphenicol.