Surname Ehimen (Ehimen 
) , all over the world, is quite a rare last name. The family name Ehimen is characteristic of Nigeria, where it is quite a rare surname, Niger, where it is a rare surname, and Italy, where it is a very rare surname. In absolute terms, it is commonest in Nigeria, Niger, and the United States. Likewise, Ehimen is the forename as well as the last name.