- DAJ stands for Direction des Affaires Juridiques (French: Directorate of Legal Affairs)
- DAJ stands for De Auxilio Judicial (Spanish: Directorate of Legal Aid; Nicaragua)
- DAJ stands for Distributed Algorithms in Java
- DAJ stands for Diabetes Association of Jamaica (est. 1976)
- DAJ stands for Digital Archive Japan, Inc.
- DAJ stands for Durham Anthropology Journal (Department of Anthropology; University of Durham; UK)
DAJ