Hadjar may refer to:
People Chérif Hadjar (born 1965), Algerian football manager Ibnu Hadjar (1920–1965), Indonesian Islamic militant Isack Hadjar (born 2004), French and Algerian racing driver Kenza Hadjar (born 1992), Algerian footballer Ki Hadjar Dewantara (1889–1959), Indonesian activist, politician and educator Linda Hadjar (born 1982), French athletics competitor
Places El Hadjar El Hadjar District
Other uses El Hadjar Complex
See also Hajar (disambiguation)