Haddaoui is an Arabic surname. Notable people with the surname include:

Surname Anissa Haddaoui (born 1991), Dutch-Moroccan boxer, kickboxer, muay thai fighter and BJJ practitioner Fethi Haddaoui (1961–2024), Tunisian actor, writer, director, and producer Mouncif El Haddaoui (1964–2024), Moroccan footballer Mustafa El Haddaoui (born 1961), Moroccan footballer Riffi Haddaoui (born 1971), Danish footballer

Middle name Hammou Haddaoui Khadir (born 1936), Moroccan wrestler