Cognomen Vanno (Vanno 
, فانو 
) , in the entire world, is quite a rare last name. The cognomen Vanno is habitual in Laos, where it is quite a common surname, Palestinian Territory, where it is a rare surname, and Italy, where it is a very rare surname. Measured by absolute frequency, the name is most common in Laos, Indonesia, and India. More frequently, Vanno is the forename as well as the last name.