SOJ may refer to: State of Jefferson, a movement in Northern California that is attempting to split the state of California, to make the 51st of the union. Single Open Jaw, a kind of Open Jaw, used for calculating fares Small-outline J-leaded package, see Small-outline integrated circuit (SOIC) The ISO 639-3 language code for Soi, see ISO 639:s The IATA airport code for Sørkjosen Airport The postal code for MacDowall, Saskatchewan The station code for Sarojini Nagar, see List of railway stations in India Phoenix Wright: Ace Attorney - Spirit of Justice, a 2016 video game