2,2-Dichloropropionic acid is the organic compound with the formula CH<sub>3</sub>CCl<sub>2</sub>CO<sub>2</sub>H. It is a colorless liquid that freezes near room temperature.
Its sodium salt once was marketed under the name Dalapon as a selective herbicide used to control perennial grasses.
It is an inhibitor of some enzymes that process pyruvate.