Hajjar may refer to:
A. (Abraham) William Hajjar, (1917–2000), American architect Bandar Al Hajjar (born 1953), Saudi Arabian economist Hana Hajjar, Saudi artist and political cartoonist Johnny Hajjar (born 1973), Martiniquais politician Joseph Hajjar (1923–2015), Syrian-born Melkite Catholic priest Katherine Hajjar, American pediatrician, cell biologist, and academic administrator Lisa Hajjar, American academic Mitra Hajjar (born 1977), Iranian actress Sleiman Hajjar (1950–2002), Melkite Catholic bishop of Canada Tony Hajjar (born 1974), Lebanese American drummer