DHJ

DHJ can refer to:


 * Difaâ Hassani El Jadidi, a Moroccan football club
 * Double Holliday Junction, a model of genetic recombination
 * Djahy, the Ancient Egyptian exonym for a subregion of the Middle East
 * Dhinoj, a train station in India; see List of train stations in India
 * Dannemora-Harg Railroad, a predecessor of the Upsala-Lenna Jernväg train line in Sweden