Cognomen Phiona (Phiona 
, Фіона 
) , globally, is quite a rare family name. The last name Phiona is characteristic of Uganda, where it is quite a rare surname, Oman, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Uganda, United Arab Emirates, and Nigeria. Likewise, Phiona is the forename as well as the last name.