In all the world, Dianni (Dianni 
) is a rare gender-neutral given name. The first name Dianni is habitual in Cuba, where it is a rare female name, the Democratic Republic of the Congo, where it is a rare masculine name, and the Dominican Republic, where it is a rare girly name. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, Cuba, and Indonesia. Very seldom, Dianni is the last name as well as the forename.