All over the world, Катриона (Catriona 
, Katriona , Катриона 
) is quite a common girly first name. The first name Катриона is characteristic of Northern Europe, particularly Aland Islands, where it is quite a common masculine name, Ireland, where it is quite a common girly name, and the United Kingdom, where it is quite a rare female name. Not in comparison with a country's population, the name is most common in the United Kingdom, Australia, and Ireland. Much less frequently, Катриона is the last name as well as the forename.