Last name ואני (Vanny 
, ואני 
) , across the world, is quite a rare cognomen. The surname ואני is habitual in Laos, where it is quite a rare surname, Honduras, where it is a rare surname, and Indonesia. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Indonesia, Laos, and Malaysia. More frequently, ואני is the forename as well as the last name.