Dajani or al-Dajani is a Middle Eastern surname. Notable people with this name include:
Abdelrahman al-Dajani, 19th-century mayor of Jerusalem Burhan Dajani (1921–2000), Palestinian academic Dana Dajani, Palestinian actress and writer Daniel Dajani (1906–1946), Albanian martyr Geeby Dajani, American music producer with Stimulated Dummies Jamal Dajani (born 1957), Palestinian-American journalist and television producer Karma Dajani, Lebanese-Dutch mathematician Kobi Dajani (born 1984), Israeli footballer Nadia Dajani (born 1965), American actress of Irish and Palestinian ancestry Nijmeddin Dajani, Jordanian economist and ambassador Omar Dajani (born 1970), Palestinian-American legal scholar Rana Dajani, Jordanian molecular biologist