Family name Диона (Diona 
, Dyona 
, Диона 
) , throughout the world, is quite a rare surname. The cognomen Диона is habitual in Greece, where it is a rare surname, Senegal, and Philippines. Measured by absolute frequency, it is the most numerous in Philippines, Indonesia, and Senegal. More prevalently, Диона is the forename as well as the last name.