Family name Φιόνα (Fiona 
, Φιόνα 
) , worldwide, is a common surname. The surname Φιόνα is habitual in Guadeloupe, where it is quite a common surname, Macao, where it is quite a rare surname, and Hong Kong. Not in comparison with a country's population, it most frequently occurs in Indonesia, Uganda, and China. Much more prevalently, Φιόνα is the forename as well as the last name.