Last name Changou (Changou 
) , in all the world, is a rare surname. The family name Changou is habitual in Cameroon, where it is a rare surname, the United States, where it is an extremely rare surname, and Brazil. Not in comparison with a country's population, it is commonest in Cameroon, India, and the United States. Very seldom, Changou is the forename as well as the last name.