Family name Wanah (Wanah 
) , worldwide, is a rare last name. The cognomen Wanah is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Indonesia, and Myanmar, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Indonesia, Malaysia, and Nigeria. Much less frequently, Wanah is the forename as well as the last name.