Alidou is both a surname and a given name. Notable people with the name include:

Hassana Alidou (born 1963), Nigerien diplomat Ousseina Alidou (born 1963), Nigerien academic, twin sister of Hassana Alidou Badini, Burkinabé film director Alidou Barkire (born 1925), Nigerien politician