In the mol-ecule of the title compound, C(13)H(8)Cl(3)N, the 4-chloro-aniline and 2,4-dichloro-benzaldehyde moieties are planar with r.m.s. deviation of 0.0115 and 0.0116 Å, respectively, and are oriented at a dihedral angle of 13.94 (8)°.