Cognomen Ohui (Ohui 
) , in all the world, is a rare surname. The cognomen Ohui is characteristic of Ghana, where it is quite a rare surname, Ivory Coast, where it is a rare surname, and Malaysia, where it is a very rare surname. In absolute terms, the name is most common in Ghana, Ivory Coast, and Vietnam. Likewise, Ohui is the forename as well as the last name.