All around the world, Idou (Idou 
) is a rare mostly masculine, but uncommonly female given name. The forename Idou is characteristic of Algeria, where it is a rare largely male, but seldom female name, Morocco, where it is a rare male name, and Nigeria, where it is a rare mostly boy's, but infrequently female name. More prevalently, Idou is the last name as well as the forename.