Sadou Hayatou (born 1942) is a former Cameroonian politician. Hayatou served as the 4th Prime Minister of Cameroon from 26 April 1991 to 9 April 1992.
Hayatou was born in Garoua. He was appointed to the government of Cameroon as Minister of Agriculture in 1984.
After his stint as Prime Minister, Hayatou became National Director of the Bank of Central African States (BEAC), leaving that post on January 1, 2008. Despite the official retirement age at the Bank being 60, Hayatou was kept in his post for five additional years by BEAC Governor Jean-Félix Mamalepot.