Dafallah or Daf'allah () is a masculine given name and surname of Arabic origin. Notable people with the name include:
Given name Dafallah al-Haj Ali, former prime minister of Sudan in 2025
Surname Al-Jazuli Daf'allah (born 1935), former prime minister of Sudan from 1985 to 1986 Nazir Dafallah (1922–1982), Sudanese politician and veterinary