Last name キエラ (Kiera 
, キエラ 
) , globally, is quite a common cognomen. The surname キエラ is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, India, where it is a rare surname, and Poland. Not in comparison with a country's population, it is commonest in India, the Democratic Republic of the Congo, and Germany. More prevalently, キエラ is the forename as well as the last name.