Last name Vaani (Vanir 
, Vaani 
, فاني 
) , all over the world, is quite a common surname. The family name Vaani is characteristic of Iran, where it is quite a rare surname, Kuwait, where it is a rare surname, and Syria. In absolute terms, it most frequently occurs in Iran, India, and Malaysia. Also, Vaani is the forename as well as the last name.