Last name Yangni (Yangni 
) , across the world, is a rare surname. The surname Yangni is characteristic of Ivory Coast, where it is quite a rare surname, Cameroon, where it is a rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is commonest in Ivory Coast, Cameroon, and the United States. More prevalently, Yangni is the forename as well as the last name.