- DPJ stands for Democratic Party of Japan
- DPJ stands for Droit pour la Justice (French: Right to Justice)
- DPJ stands for Deterministic Parallel Java (computer project)
- DPJ stands for Directeur de la Protection Jeunesse (French; Director of Youth Protection; Canada)
- DPJ stands for Ducharme Pierre Jean (French electrician)
- DPJ stands for Département de la Protection de la Jeunesse
- DPJ stands for Duodenitis/Proximal Jejunitis (horse disorder)
- DPJ stands for Divisions de Police Judiciaire (French: Judicial Police Division; France)
- DPJ stands for Direct Percutaneous Jejunostomy
- DPJ stands for Dentino-Pulpal Junction
DPJ