MOJ
MOJ or moj may refer to:

 Ministry of justice, a ministry or other government agency in charge of the administration of justice
 Moengo Airstrip (IATA: MOJ), an airport serving Moengo, Suriname
 Mohana railway station (Station code: MOJ), a railway station in Madhya Pradesh, India
 Monzombo language (ISO 639-3: moj), a minor Ubangian language of the Congos