Nidal (in Arabic نضال meaning warrior in Arabic) is a unisex given name and surname of Arabic origin. Notable people with the name include:
Given name Nidal Al Achkar (born 1941), Lebanese actress Nidal Algafari (born 1965), Bulgaria-based director Nidal Asmar (born 1969), Lebanese-born Australian sport shooter Nidal A. Ayyad (born 1968), one of the convicted perpetrators of 1993 World Trade Center bombing Nidal Baba (born 1972), U.S. football (soccer) player / midfielder Nidal Bchiri (born 1991), Dutch-Moroccan kickboxer Nidal Čelik (born 2006), Bosnian footballer Nidal Fat'hi Rabah Farahat (1971–2003), creator of the Qassam rocket Nidal Haddad (born 1959), Syrian boxer Nidal Malik Hasan (born 1970), former US Army major who perpetrated the 2009 Fort Hood shooting Nidal Hilal (born 1958), British academic and engineer Nidal Mourad (born 1988), Canadian musician and producer Nidal Al Tunaiji, Emirati academic and politician Nidal Yehya, Lebanese diplomat Mohammad Nidal al-Shaar (born 1956), Syrian politician and government minister
Surname Abou Nidal (born 1974), Côte d'Ivoirian singer Abu Nidal (1937–2002), founder of the militant Palestinian splinter group Fatah – The Revolutionary Council Umm Nidal (1948–2013), Palestinian politician