Nidal
Nidal (in Arabic نضال meaning warrior in Arabic) is a given name in Arabic. It may refer to:

Mohammad Nidal al-Shaar (born 1956), Syrian politician and government minister
Abou Nidal, Côte d'Ivoirian singer
Umm Nidal (1948–2013), Palestinian politician
Abu Nidal (1937–2002), founder of the militant Palestinian splinter group Fatah – The Revolutionary Council

People with the given name
Nidal Algafari (born 1965), Bulgaria-based director
Nidal A. Ayyad, one of the convicted perpetrators of 1993 World Trade Center bombing
Nidal Baba (born 1972), U.S. football (soccer) player / midfielder
Nidal Fat'hi Rabah Farahat (1971–2003), creator of the Qassam rocket
Nidal Malik Hasan (born 1970), former US Army major who perpetrated the 2009 Fort Hood shooting
Nidal Mourad (born 1988), Canadian musician and producer