SJD can refer to: Kildin Sámi, a language spoken on the Kola peninsula (ISO 639-3 language code sjd) Sir John Deanes, a sixth form college in Northwich, England SJD (musician) (Sean James Donnelly), a musician from New Zealand Doctor of Juridical Science (S.J.D.), a doctorate degree The IATA airport code for Los Cabos International Airport which serves San José del Cabo and Cabo San Lucas, Mexico Socialist Janata (Democratic), a political party in India